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Drive circuit of indicator

A technology for driving circuits and indicator lights, which is applied in the layout of electric lamp circuits, electric light sources, electric digital data processing, etc.

Inactive Publication Date: 2007-05-02
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the prior art, since the single-color LED is used to flash to display the state of the hard disk reading data, it can only display the two states of the hard disk on or off, and the effect is not very obvious in the environment with strong light. Sometimes the user needs to The blinking state of the LED can only be observed when it is close to the LED. Obviously, the effect of using the blinking state of the LED to show the operating status of the computer is not very obvious

Method used

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  • Drive circuit of indicator

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Embodiment Construction

[0009] Please refer to FIG. 1 , the preferred embodiment of the indicator light driving circuit of the present invention includes a microcontroller U1 , an indicator light U2 controlled by the microcontroller U1 , and resistors R1 , R2 and R3 .

[0010] In this embodiment, the microcontroller U1 is a microcontroller of the type PIC12F675 manufactured by Microchip Corporation, and the PIC12F675 microcontroller is an 8-bit complementary metal oxide semiconductor microcontroller based on flash memory technology. It encapsulates Microchip's single-chip microcomputer structure, with 4 channels for converting analog signals to digital signals, 1 comparator channel, and 128 bytes of EEPROM (Electrically Erasable Programmable ROM, which can be erased and reprogrammed online by electrical methods) read memory); see Table 1 for the parameters of the PIC12F675 microcontroller. The indicator light U2 adopts a "rainbow" indicator manufactured by Kingbright Company, model AAF5060PBESEEVG, w...

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Abstract

A driving circuit of indication lamp consists of a microcontroller and an indication lamp formed by LED packaged with more than two different colors. It is featured as receiving signal from host board by microcontroller and converting it to be a control signal for controlling lightening color of said indication lamp, enabling said lamp to lighten out different color light according different frequency of host board signal in order that used can judge out operation state of computer according to different color of said lamp.

Description

【Technical field】 [0001] The invention relates to an indicator lamp drive circuit, in particular to an indicator lamp drive circuit for displaying the operating state of a computer. 【Background technique】 [0002] In recent years, with the development of PCs (personal computers, personal computers), users have continuously increased requirements on the practicability of PCs. For example, traditional PC generally adopts the flickering of single-color LED (light-emitting diode, light-emitting diode) in the design of the hard disk running indicator light to display the status of the hard disk reading data. At the same time, the user also judges according to the flickering of the LED The running status of the PC. [0003] In the prior art, since the single-color LED is used to flash to display the state of the hard disk reading data, it can only display the two states of the hard disk on or off, and the effect is not very obvious in the environment with strong light. Sometimes ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/32G06F1/00H05B37/02
CPCG06F11/325G08B5/36
Inventor 游永兴胡可友曹翔
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD