Supercharge Your Innovation With Domain-Expert AI Agents!

Single I/O double-lamp control circuit

A lamp control and circuit technology, applied in the field of single I/O dual lamp control circuit, can solve the problems of insufficient use, inconvenient use, high I/O consumption, etc., and achieve the effect of reducing circuit consumption and simplifying circuit structure

Active Publication Date: 2018-02-02
CHNEGDU CHIFFO ELECTRONICS INSTR
View PDF10 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The principle of LED control circuit: Use the single-chip microcomputer port, that is, I / O to drive the light-emitting diode LED. Most of the methods are one I / O to control one LED. The disadvantage of this method is that there will be more I / O consumption when driving multiple LEDs. Even if it is not enough, it is very inconvenient to use

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Single I/O double-lamp control circuit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0015] Such as figure 1 As shown, a single I / O double lamp control circuit includes light-emitting diodes LED1, LED2, resistors R1, resistors R2, resistors R3, diode V1, and drive triodes V2, V3;

[0016] The two terminals with the same name of LED1 and LED2 are connected, and the other port of LED1 is respectively connected to the collector of the driving transistor V2 and the cathode of the diode V1; the base of the driving transistor V2 is connected to the I / O port of the microcontroller through the resistor R1 T1-DIS, the transmitter driving the triode V2 is grounded;

[0017] The anode of the diode V1 is connected to the base of the driving transistor V3, the collector of the driving transistor V3 is connected to the other port of the light-emitting diode LED2, and the emitter of the driving transistor V3 is grounded;

[0018] The anode...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a single I / O double-lamp control circuit. The circuit comprises light emitting diodes LED 1 and LED 2, resistors R1, R2 and R3, a diode V1 and driving triodes V2 and V3. Two dotted terminals of the LED1 and the LED2 are connected. Another port of the light emitting diode LED 1 is connected to a collector electrode of the V2 and a cathode of the V1. A base electrode of the driving triode V2 is connected to an I / O port T1-DIS of a single-chip microcomputer through the resistor R1. A emitting electrode of the V2 is grounded. An anode of the diode V1 is connected to a baseelectrode of the V3. A collector electrode of the V3 is connected to another port of the LED2. An emitting electrode of the V3 is grounded. An anode of the V1 and a base electrode of the V3 are connected to a power supply VCC through the resistor R3. In the invention, the control circuit which is used to control the two LEDs through one I / O port is provided; through one I / O port wire, the two LEDsare controlled respectively; the circuit structure is simplified; circuit consumption is reduced; and the circuit accords with a development demand of energy conservation and emission reduction.

Description

technical field [0001] The invention belongs to the technical field of circuit control, in particular to a single I / O double lamp control circuit. Background technique [0002] Light-Emitting Diode (English: Light-Emitting Diode, referred to as LED) is a semiconductor diode that can convert electrical energy into light energy. Like ordinary diodes, light-emitting diodes are composed of a PN junction and also have unidirectional conductivity. When a forward voltage is applied to the light-emitting diode, the holes injected from the P region to the N region and the electrons injected from the N region to the P region are respectively connected to the electrons in the N region and the vacancies in the P region within a few microns near the PN junction. Hole recombination, resulting in spontaneous emission of fluorescence. [0003] Compared with incandescent bulbs and neon lamps, light-emitting diodes are characterized by: very low operating voltage (some are only a few volts)...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H05B33/08H05B44/00
CPCH05B45/00
Inventor 龚红旗伍华军
Owner CHNEGDU CHIFFO ELECTRONICS INSTR
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com