Low-cost color collision water flowing method

By employing a master-slave distributed architecture and HSV color space interpolation algorithm in the LED light strip system, combined with dynamic thermal management based on ambient light perception and temperature prediction, the problems of unnatural color transition and thermal management in long light strip systems are solved, achieving a balance between brightness uniformity and safety.

CN121968417APending Publication Date: 2026-05-01COSMIC ELECTRIC (DONGGUAN) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
COSMIC ELECTRIC (DONGGUAN) CO LTD
Filing Date
2026-02-11
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing LED strip control systems suffer from high hardware costs, heavy computational load, severe signal attenuation, poor visual effects, and thermal management challenges in long-distance strips. In particular, color saturation decreases when achieving complex color transitions, and it is difficult to balance overall brightness uniformity and safety.

Method used

The system adopts a master-slave distributed architecture, dividing the light strip into multiple logical light groups. Each group is controlled by an independent slave microcontroller. The system ensures smooth color transitions through the shortest path interpolation algorithm in the HSV color space, and performs adaptive brightness adjustment by combining ambient light perception and temperature prediction. Furthermore, it optimizes heat distribution through a dynamic thermal management strategy.

Benefits of technology

It significantly reduces the burden on the main controller, achieves natural and smooth color transitions and fine-tuned brightness, ensures visual consistency and safety, and solves the problem of balancing thermal management and visual effects in long light strip systems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a low-cost color-colliding water flowing method, and relates to the technical field of illumination control systems, and the method comprises the following steps: S1, a system main controller generates an advanced control instruction according to a preset color-colliding water flowing mode, and the advanced control instruction comprises a target color parameter, a gradual change speed parameter and a water flowing direction parameter; and S2, the advanced control instruction is distributed to a plurality of logic lamp groups pre-divided in a lamp strip, and each logic lamp group is controlled by an independent slave control microcontroller. According to the invention, a master-slave distributed architecture is adopted, a complex color pipeline calculation task is decomposed to the local slave control microcontrollers of the logic lamp banks, the load of the master controller and the pressure of communication bandwidth are significantly reduced, and the color pipeline calculation efficiency is improved through the shortest path hue interpolation algorithm based on the HSV color space. Smooth and natural color collision transition and color fullness are ensured, and a color data forward transmission mechanism ensures absolute coherence of visual coherence among multiple logic lamp banks.
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Description

A low-cost color-blocking water flow method Technical Field

[0001] This application relates to the field of lighting control system technology, and in particular to a low-cost color-blocking water flow method. Background Technology

[0002] LED light strips, due to their flexibility, rich colors, and programmable control, have been widely used in architectural landscape lighting, interior and exterior decoration, advertising displays, and smart home ambient lighting. To achieve dynamic color change effects, such as flowing water, gradients, and scanning, precise timing and color management of the numerous independently controllable LED beads on the light strip is required.

[0003] In traditional control architectures, there are two main technical approaches. One is centralized control, where a high-performance main controller directly generates PWM control signals for all LED chips. This approach is suitable for shorter LED strips, but as the strip length increases and the number of LED chips increases dramatically, the number of channels the main controller needs to process grows exponentially. This results in high hardware costs, a huge computational load, complex PCB routing, and the signal is prone to attenuation and interference during long-distance transmission, severely affecting display quality and system stability.

[0004] Another common approach is the cascaded control method based on a single serial protocol (such as the single-wire return-to-zero code protocol used by the WS2812B chip). In this method, the main controller still needs to generate a continuous timing stream containing the RGB data of each LED for the entire light strip and serially send it to the first LED on the strip, with the data then being passed sequentially to the next LED. While this method simplifies wiring, when complex global gradient effects (such as smooth color flow over long distances) are required, the main controller must calculate and refresh the data for the entire light strip in real time, placing high demands on the performance and memory capacity of the main control chip. Especially when handling smooth transitions between contrasting colors, simple linear interpolation in the RGB color space easily produces intermediate grayscale tones, resulting in reduced color saturation, abrupt and unnatural transitions, and poor visual performance.

[0005] Furthermore, with the continuous improvement of LED strip power and brightness, heat dissipation issues are becoming increasingly prominent. Prolonged high-brightness operation can lead to excessively high local temperatures within the strip, causing light decay, color shift, and even permanent damage to the LED light source. Existing technologies typically employ simple global brightness limiting or temperature threshold shutdown protection methods. While these ensure safety, they come at the cost of sacrificing overall brightness uniformity and visual appeal. For example, when a section of the strip overheats due to poor heat dissipation or high ambient temperature, the system can only passively reduce the brightness of the entire strip, preventing even normally heated sections from performing optimally. This creates a "one-for-all" situation, significantly diminishing the user experience. Summary of the Invention

[0006] To address the aforementioned problems, this application provides a low-cost color-blocking water feature method.

[0007] This application provides a low-cost color-blocking flow method, which adopts the following technical solution: A low-cost color-blocking flow method includes the following steps: S1, the system main controller generates advanced control instructions according to a preset color-blocking flow mode, the advanced control instructions including target color parameters, gradient speed parameters, and flow direction parameters; S2, the advanced control instructions are distributed to multiple logical light groups pre-divided in the light strip, wherein each logical light group is controlled by an independent slave microcontroller and includes one or more physical LED beads; S3, each slave microcontroller receives the advanced control instructions and independently calculates the target color value and brightness value of each physical LED bead in its respective logical light group under the current timing; S4, for adjacent logical light groups, inter-group color connection processing is performed, and the color data of the last LED bead of the previous logical light group is used as the starting color seed value of the next logical light group; S5, each slave microcontroller generates a corresponding PWM drive signal according to the calculated color and brightness data to drive the physical LED beads in its respective logical light group to emit light.

[0008] As a preferred technical solution of this application, in S3, the independent calculation process further includes an adaptive brightness adjustment step based on ambient light perception: reading ambient light intensity data collected by a local ambient light sensor; querying a pre-stored brightness coefficient mapping table according to the ambient light intensity data to obtain the corresponding real-time brightness adjustment coefficient, wherein the brightness coefficient mapping table defines the negative correlation between ambient light intensity and brightness coefficient; multiplying the calculated theoretical brightness value by the real-time brightness adjustment coefficient to obtain the final brightness value after adaptive adjustment by the environment.

[0009] As a preferred technical solution of this application, in S1, the process of generating advanced control instructions includes a color-blocking enhancement processing step based on the HSV color space: defining the hue, saturation, and lightness values ​​of the starting and ending color points of the color-blocking flow pattern in the HSV color space; performing smooth interpolation calculations on the hue values ​​between the starting and ending color points along the shortest path of the hue circle in the HSV color space to generate intermediate hue points; performing synchronous interpolation calculations on the saturation and lightness values ​​to form a color gradient path that smoothly transitions in the HSV color space; and converting the HSV color values ​​on the color gradient path into corresponding RGB color values ​​to constitute the target color parameter sequence.

[0010] As a preferred technical solution of this application, it also includes a thermal management step: S6, acquiring the temperature status of each logic lamp group in real time, wherein the temperature status is a real-time temperature value or a temperature trend index predicted based on historical working parameters; S7, when the temperature status of one or more logic lamp groups exceeds a first preset temperature threshold, marking it as a high-heat area; S8, reducing the overall brightness output of the logic lamp groups in the high-heat area, and simultaneously, proportionally compensating and distributing the total brightness lost due to the reduction to other logic lamp groups on the light strip whose temperature status is lower than a second preset temperature threshold.

[0011] As a preferred technical solution of this application, the division of the logic lamp group is based on the layout density and heat distribution analysis results of the physical LED beads on the PCB board, so as to make the heat load of each logic lamp group relatively balanced.

[0012] As a preferred technical solution of this application, in S4, the color connection processing between groups specifically adopts a color data forward transmission mechanism: after the slave microcontroller of the previous logic lamp group completes the color calculation of the last lamp in its group, it sends the color data to the slave microcontroller of the adjacent subsequent logic lamp group through the communication bus as the initial value for the color calculation of the subsequent logic lamp group.

[0013] As a preferred technical solution of this application, the temperature trend index is a predicted value obtained by weighting the historical brightness data, current brightness data and duration of the logic lamp group.

[0014] As a preferred technical solution of this application, the system main controller and each of the slave microcontrollers transmit instructions and data through a serial communication bus.

[0015] As the preferred technical solution in this application,

[0016] In summary, this application includes at least one of the following beneficial technical effects of the low-cost color-blocking pipeline method: This application adopts a master-slave distributed architecture, decomposing the complex color pipeline calculation task to the local slave microcontrollers of each logical light group. This not only significantly reduces the burden on the master controller and the communication bandwidth pressure, but also ensures the smoothness and naturalness of the color-blocking transition and the fullness of the color through the shortest path hue interpolation algorithm based on the HSV color space. The forward transmission mechanism of color data ensures the absolute coherence of the visual connection between multiple logical light groups, while the distributed ambient light perception realizes the fine adaptive adjustment of local brightness. The system introduces the concept of predictive thermal management, predicts thermal risks through temperature trend index, and adopts a dynamic thermal balance compensation strategy. While actively reducing the brightness of high-heat areas to ensure safety, it intelligently compensates the lost brightness to low-temperature areas, thereby maintaining the visual consistency of the overall light effect output and solving the technical problem of balancing thermal management and visual effect in long light strip systems. Attached Figure Description

[0017] Figure 1 is a flowchart of the low-cost color-blocking flow method of this application. Detailed Implementation

[0018] The present application will be further described in detail below with reference to Figure 1.

[0019] Referring to Figure 1, a low-cost color-blocking gradient method includes the following steps: S1, the system main controller generates advanced control instructions based on a preset color-blocking gradient mode. The advanced control instructions include target color parameters, gradient speed parameters, and gradient direction parameters. In S1, the process of generating advanced control instructions includes color-blocking enhancement processing steps based on the HSV color space: defining the hue, saturation, and lightness values ​​of the starting and ending color points of the color-blocking gradient mode in the HSV color space; performing smooth interpolation calculations on the hue values ​​between the starting and ending color points along the shortest path of the color wheel in the HSV color space to generate intermediate hue points; performing synchronous interpolation calculations on the saturation and lightness values ​​to form a color gradient path that smoothly transitions within the HSV color space; and converting the HSV color values ​​on the color gradient path into corresponding RGB color values ​​to form the target color parameter sequence.

[0020] S2 distributes advanced control commands to multiple pre-divided logic light groups in the light strip. Each logic light group is controlled by an independent slave microcontroller and contains one or more physical LED beads. The division of logic light groups is based on the layout density and thermal distribution analysis results of the physical LED beads on the PCB board to ensure that the thermal load of each logic light group is relatively balanced.

[0021] In S3, each slave microcontroller receives high-level control instructions and independently calculates the target color and brightness values ​​of each physical LED in its respective logic lamp group under the current timing. In S3, the independent calculation process also includes an adaptive brightness adjustment step based on ambient light perception: reading the ambient light intensity data collected by the local ambient light sensor; querying the pre-stored brightness coefficient mapping table according to the ambient light intensity data to obtain the corresponding real-time brightness adjustment coefficient, wherein the brightness coefficient mapping table defines the negative correlation between ambient light intensity and brightness coefficient; multiplying the calculated theoretical brightness value by the real-time brightness adjustment coefficient to obtain the final brightness value after adaptive adjustment.

[0022] S4 performs inter-group color transition processing for adjacent logic light groups, using the color data of the last LED in the previous logic light group as the starting color seed value for the next logic light group. In S4, the inter-group color transition processing specifically adopts a color data forward transmission mechanism: after the slave microcontroller of the previous logic light group completes the color calculation of the last LED in its group, it sends the color data to the slave microcontroller of the adjacent next logic light group via the communication bus as the initial value for the color calculation of the next logic light group. The temperature trend index is a predicted value obtained by weighting the historical brightness data, current brightness data, and duration of the logic light group.

[0023] S5, each slave microcontroller generates a corresponding PWM drive signal based on the calculated color and brightness data to drive the physical LED beads in its respective logic lamp group to emit light.

[0024] S6 acquires the temperature status of each logic lamp group in real time. The temperature status is either the real-time temperature value or the temperature trend index predicted based on historical operating parameters.

[0025] S7, when the temperature of one or more logic lamp groups exceeds the first preset temperature threshold, it is marked as a high-heat area.

[0026] S8 reduces the overall brightness output of the logic lamp group in the high-heat area. At the same time, the total brightness lost due to the reduced brightness is proportionally compensated and distributed to other logic lamp groups on the lamp strip whose temperature is lower than the second preset temperature threshold.

[0027] The system master controller and each slave microcontroller transmit instructions and data via a serial communication bus.

[0028] In this application, the system's main controller typically employs a powerful microprocessor or high-end microcontroller. It is responsible for running the user interface, storing preset lighting effect modes (such as a color-blocking flowing pattern), and generating advanced control instructions based on the selected mode. The main controller connects to all slave microcontrollers via a serial communication bus. Each slave microcontroller is the core control unit for each logic light group, typically a low-cost microcontroller with sufficient computing power and PWM output capability. Each slave microcontroller independently calculates the color of all LEDs within its logic light group, generates PWM signals, and has local ambient light sensor data reading and simple temperature status monitoring and reporting functions. The LED light strip consists of multiple physical LEDs soldered onto a flexible or rigid PCB board. Each physical LED is typically an independently addressable RGB or RGBWLED. While the entire LED light strip is physically a single unit, it is logically divided into multiple consecutive "logic light groups." Each logic light group contains one or more physical LEDs and is controlled by an independent slave microcontroller. This division is based on the physical LEDs' P... The layout density and thermal distribution analysis results on the CB board are used to determine the optimal configuration. For example, in areas with dense LED layout and relatively poor heat dissipation, the number of LEDs in each logic group will be less to reduce the thermal management burden on individual slave microcontrollers. Conversely, in areas with sparse LEDs and good heat dissipation, a logic group can contain more LEDs. The goal is to ensure that the thermal load generated by each logic group under full load is relatively balanced, laying the foundation for subsequent thermal compensation strategies. The serial communication bus serves as the communication backbone connecting the master controller and all slave microcontrollers. Differential serial buses, such as RS-485 or CAN bus, are preferred because they have strong anti-interference capabilities and are suitable for long-distance, multi-node communication. The bus is responsible for transmitting high-level control commands issued by the master controller and temperature status data reported by the slave microcontrollers. Ambient light sensors can be distributed in key locations of the light strip or centrally deployed near the system master controller. Each slave microcontroller can read local or designated ambient light sensor data for adaptive brightness adjustment. Each slave microcontroller typically integrates or has an external temperature sensing circuit to monitor the real-time temperature of the logic group area it controls.

[0029] In this application, the system's main controller determines the "color-blocking flow mode" to be executed based on user selection or preset programs. The generation of this instruction is not a simple RGB color list, but a high-level instruction set containing rich parameters, and its generation process reflects the application of color science.

[0030] In order to achieve a smoother, more visually appealing effect and a vibrant and saturated color transition between contrasting colors (complementary or contrasting colors), this application performs color interpolation calculations in the HSV color space, rather than the traditional RGB space.

[0031] In the HSV color space, the starting color point (Start_HSV) and ending color point (End_HSV) of the contrasting color flow pattern are clearly defined. The HSV space consists of three components: hue, saturation, and lightness. For example, the starting point is red (H=0°, S=100%, V=100%), and the ending point is cyan (H=180°, S=100%, V=100%). The two are complementary colors.

[0032] Interpolating directly from red to cyan in RGB space might pass through dark intermediate colors. However, in HSV space, hue is a 0-360° loop. The system calculates two paths from the starting hue to the ending hue: a clockwise path and a counterclockwise path. Then, it selects the path with the smaller absolute value of the angle difference for linear interpolation. For example, from 0° to 180°, the difference is 180° for both the clockwise and counterclockwise paths, and can be chosen either one. But from 10° to 350°, the difference is 20° for the clockwise path and 340° for the counterclockwise path. Therefore, the 20° path is chosen for interpolation. This way, the color transition will pass through purple, blue, etc., instead of going around in a big circle, ensuring a smooth and efficient transition. The interpolation formula is: H_current = H_start + (H_end - H_start)_shortest * (current_step / total_steps), where (H_end - H_start)_shortest is the difference of the shortest path.

[0033] Simultaneously, linear interpolation is performed on saturation S and brightness V: S_current=S_start+(S_end-S_start)*(current_step / total_steps), V_current=V_start+(V_end-V_start)*(current_step / total_steps).

[0034] Through the above interpolation, a smooth, continuous, and vibrant gradient path from Start_HSV to End_HSV is formed in the HSV color space. The HSV value of each intermediate point on this path is converted to RGB value using a standard color space conversion algorithm. This results in a visually superior target color parameter sequence. Finally, the high-level control command format generated by the master controller may be similar to: {Mode:CollisionFlow,ColorSeq:[RGB_val1,RGB_val2,...],Speed:50,Direction:LeftToRight}; however, a more efficient approach is to transmit parameters such as the HSV start and end points and the number of interpolation points, which are then calculated by the slave microcontroller, reducing the bus load.

[0035] In S2, the system master controller sends the generated high-level control commands to the corresponding slave microcontrollers of all logical light groups in the light strip via a serial communication bus, either through broadcast or directional addressing. Because the commands are high-level and parameterized, the data volume is small, and the transmission efficiency is high, ensuring that all logical light groups can start executing new lighting effects almost synchronously. In S3, after receiving the same high-level control command, each slave microcontroller independently calculates the color and brightness that each physical LED in its managed logical light group should display at the current time. Based on the gradient speed parameters and system timing, it determines the position of the "progress pointer" of the entire light strip effect in the target color parameter sequence (or the sequence calculated in real-time based on HSV parameters). Based on the flow direction parameters and the global logical position of the LED in the entire light strip, it calculates the offset of the LED relative to the "progress pointer," thereby determining its theoretical target color value (RGB theory). Finally, it calculates the theoretical brightness value of the LED (usually determined by the brightness component of the color value or a separate brightness parameter).

[0036] This application reads the current ambient light intensity data (Env_Light) collected by a connected or designated local ambient light sensor from a microcontroller. The microcontroller internally stores a brightness coefficient mapping table that defines the negative correlation between ambient light intensity and the brightness adjustment coefficient (K_env, typically ranging from 0.0 to 1.0). For example: when Env_Light is lower than Lux_Low (e.g., 50 lux, dark environment), K_env = 1.0 (full brightness); when Env_Light is between Lux_Low and Lux_High (e.g., 500 lux, bright indoor environment), K_env linearly decreases from 1.0 to 0.3; when Env_Light is higher than Lux_High, K_env = 0.3 (maintaining lower brightness to avoid glare).

[0037] The theoretical brightness value (Brightness_theoretical) calculated from S1 is multiplied by the real-time brightness adjustment coefficient (K_env) obtained from the query to obtain the final brightness value after environmental adaptive adjustment: Brightness_final = Brightness_theoretical * K_env.

[0038] Because each slave microcontroller can independently adapt to ambient light, even if the light strip passes through an environment with uneven lighting (such as part near a bright window and part in a dark corner), each logic light group can automatically adjust to a brightness that is in harmony with the environment, achieving more refined and natural adaptive lighting.

[0039] To ensure that the color transition between physically adjacent logic lamp groups controlled by different slave microcontrollers is as smooth and seamless as if controlled by a single controller, color connection processing between groups is required.

[0040] Assuming logical light group A and logical light group B are adjacent on the physical light strip, with A preceding B, after the slave microcontroller of logical light group A completes the color calculation of the last physical LED in its group, it does not immediately start driving. Instead, it sends the color data (usually RGB value) calculated for the last LED as a "color seed value" to the slave microcontroller of logical light group B via a communication bus (which can be a dedicated low-speed serial port such as UART, or utilize the main communication bus). When the slave microcontroller of logical light group B calculates the color of the first physical LED in its group, it does not simply use the color sequence starting value in the master instruction, but uses the "color seed value" received from light group A as the initial reference for its color calculation. In this way, color information is passed from one logical light group to the next like flowing water, completely eliminating color cliffs or jumps that may occur due to logical group calculations, and ensuring the visual continuity of the entire long light strip.

[0041] Each slave microcontroller converts the RGB color and brightness data of each physical LED bead into the duty cycle of the corresponding PWM signal, and then outputs these PWM signals through its I / O port to drive the corresponding physical LED bead to emit light directly or through the LED driver chip. Since the calculation is performed locally, the PWM refresh rate can be very high, avoiding the problems of low refresh rate and flickering caused by centralized control and long-distance data transmission.

[0042] In S6, each slave microcontroller is responsible for monitoring the temperature status of its assigned logic lamp group. The temperature status is represented in two ways: real-time temperature value: the current temperature value (T_current) read directly from the temperature sensor.

[0043] Temperature Trend Index: This index predicts the temperature trend based on historical operating parameters. It can be calculated by weighting the average brightness data, current brightness data, and continuous high-brightness operating time of the logic lamp group over a recent period. For example: Trend_Index = α*Avg_Brightness_last_60s + β*Current_Brightness + γ*Duration_Above_Threshold.

[0044] α, β, and γ are weighting coefficients. This index can predict the risk of excessively high temperatures earlier, enabling proactive intervention, and is more sensitive and safer than simply relying on real-time temperature thresholds.

[0045] The system master controller periodically collects the temperature status (real-time temperature value or temperature trend index) reported by all slave microcontrollers. The system has a preset first temperature threshold (T_alert). When the master controller detects that the temperature status of one or more logic lamp groups exceeds T_alert, it marks these logic lamp groups as "high heat areas".

[0046] This application also utilizes intelligent brightness redistribution to maintain overall luminous efficacy and visual brightness as much as possible while ensuring system safety. For logic lamp groups marked as "high-heat areas," the system's main controller sends instructions to its slave microcontrollers to reduce the overall brightness output of those logic lamp groups. For example, it multiplies their brightness by a reduction factor (K_reduce, such as 0.7) less than 1, and the main controller calculates the total brightness "lost" (Total_Brightness_Loss) due to the reduction of brightness in high-heat areas. For example, assuming a logic LED group originally had a total brightness of 1000 units, a 30% reduction results in a loss of 300 units. Simultaneously, the main controller identifies logic LED groups on the light strip whose temperature is below a second preset temperature threshold (T_cool). T_cool is typically much lower than T_alert, indicating good heat dissipation in these areas and ample room for brightness improvement. The calculated Total_Brightness_Loss is then allocated to these low-temperature logic LED groups according to a certain proportion (e.g., weighted by the current brightness, heat dissipation capacity, or area of ​​each low-temperature logic LED group). The main controller sends a command to the slave microcontrollers in these low-temperature areas to appropriately increase the brightness of their respective LEDs. Through this method, the total power consumption and total heat generation of the entire light strip may decrease slightly, but more importantly, the heat distribution is optimized. High-heat areas are controlled by reducing brightness, preventing thermal decay and damage, while low-temperature areas maintain average visual brightness across the entire light strip due to increased brightness. The overall visual effect of the light strip does not exhibit noticeable dim areas due to localized brightness reduction, achieving a balance between safety and visual appeal.

[0047] This application adopts a master-slave distributed architecture, decomposing the complex color pipeline calculation task to the local slave microcontrollers of each logical light group. This not only significantly reduces the burden on the master controller and the communication bandwidth pressure, but also ensures smooth and natural color transitions and color saturation through the shortest path hue interpolation algorithm based on the HSV color space. The color data forward transmission mechanism ensures absolute visual continuity between multiple logical light groups, while the distributed ambient light perception enables fine-grained adaptive adjustment of local brightness. The system introduces a predictive thermal management concept, predicting thermal risks through temperature trend indices and adopting a dynamic thermal balance compensation strategy. While actively reducing the brightness of high-heat areas to ensure safety, it intelligently compensates for the lost brightness to low-temperature areas, thereby maintaining the visual consistency of the overall light output and solving the technical problem of balancing thermal management and visual effects in long light strip systems.

[0048] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A low-cost method for creating contrasting colors in a flowing water feature, characterized in that: The process includes the following steps: S1, the system main controller generates advanced control instructions based on a preset color-blocking flow pattern. These instructions include target color parameters, gradient speed parameters, and flow direction parameters. S2, the advanced control instructions are distributed to multiple pre-divided logical light groups within the light strip. Each logical light group is controlled by an independent slave microcontroller and contains one or more physical LED beads. S3, each slave microcontroller receives the advanced control instructions and independently calculates the target color and brightness values ​​of each physical LED bead within its assigned logical light group at the current time sequence. S4, for adjacent logical light groups, inter-group color transition processing is performed, using the color data of the last LED bead in the previous logical light group as the starting color seed value for the next logical light group. S5, each slave microcontroller generates a corresponding PWM drive signal based on the calculated color and brightness data to drive the physical LED beads within its assigned logical light group to emit light.

2. The low-cost color-blocking water feature method according to claim 1, characterized in that, In S3, the independent calculation process also includes an adaptive brightness adjustment step based on ambient light perception: reading ambient light intensity data collected by the local ambient light sensor; The corresponding real-time brightness adjustment coefficient is obtained by querying the pre-stored brightness coefficient mapping table based on the ambient light intensity data. The brightness coefficient mapping table defines the negative correlation between ambient light intensity and brightness coefficient. The calculated theoretical brightness value is multiplied by the real-time brightness adjustment coefficient to obtain the final brightness value after environmental adaptive adjustment.

3. The low-cost color-blocking water feature method according to claim 1, characterized in that, In S1, the process of generating advanced control instructions includes a color-blocking enhancement processing step based on the HSV color space: defining the hue, saturation, and lightness values ​​of the starting and ending color points of the color-blocking flow pattern within the HSV color space; performing smooth interpolation calculations on the hue values ​​between the starting and ending color points along the shortest path of the color wheel within the HSV color space to generate intermediate hue points; performing synchronous interpolation calculations on the saturation and lightness values ​​to form a color gradient path that smoothly transitions within the HSV color space; and converting the HSV color values ​​on the color gradient path into corresponding RGB color values ​​to constitute the target color parameter sequence.

4. The low-cost color-blocking water feature method according to claim 1, characterized in that, It also includes a thermal management step: S6, real-time acquisition of the temperature status of each logic lamp group, wherein the temperature status is a real-time temperature value or a temperature trend index predicted based on historical operating parameters. S7, when the temperature of one or more logic lamp groups exceeds the first preset temperature threshold, it is marked as a high-heat area; S8, the overall brightness output of the logic lamp groups in the high-heat area is reduced, and the total brightness lost due to the reduction is proportionally compensated and distributed to other logic lamp groups on the light strip whose temperature is lower than the second preset temperature threshold.

5. The low-cost color-blocking water feature method according to claim 1, characterized in that, The division of the logic lamp groups is based on the layout density and heat distribution analysis results of the physical LED beads on the PCB board, so as to make the heat load of each logic lamp group relatively balanced.

6. The low-cost color-blocking water feature method according to claim 1, characterized in that, In S4, the inter-group color connection processing specifically adopts a color data forward transmission mechanism: after the slave microcontroller of the previous logic lamp group completes the color calculation of the last lamp in its group, it sends the color data to the slave microcontroller of the adjacent subsequent logic lamp group through the communication bus as the initial value for the color calculation of the subsequent logic lamp group.

7. The low-cost color-blocking water feature method according to claim 4, characterized in that, The temperature trend index is a predicted value obtained by weighting the historical brightness data, current brightness data, and duration of the logic lamp group.

8. The low-cost color-blocking water feature method according to claim 1, characterized in that, The system master controller and each of the slave microcontrollers transmit instructions and data via a serial communication bus.