首 页文档资料下载资料维修视频包年699元
请登录  |  免费注册
当前位置:精通维修下载 > 文档资料 > 家电技术 > 维修教程知识 > 单片机栏
红外线远程控制电路
来源:本站整理  作者:佚名  2010-02-09 20:18:13



红外线远程控制电路 Infa-Red Remote Control

I have received a number of emails requesting schematics for infa-red remotes. So here is one. This remote transmits a tone using an infa-red LED. This tone is decoded by the receiver. Since the receiver only switches when it "hears" the tone, there are no accidental activations.

Schematic For Transmitter

Parts:

Part
 Total Qty.
 Description
 Substitutions
 
R1
 1
 22K 1/4W Resistor
 
 
R2
 1
 1 Meg 1/4W Resistor
 
 
R3
 1
 1K 1/4W Resistor
 
 
R4, R5
 2
 100K 1/4W Resistor
 
 
R6
 1
 50K Pot
 
 
C1, C2
 2
 0.01uF 16V Ceramic Disk Capacitor
 
 
C3
 1
 100pF 16V Ceramic Disk Capacitor
 
 
C4
 1
 0.047uF 16V Ceramic Disk Capacitor
 
 
C5
 1
 0.1uF 16V Ceramic Disk Capacitor
 
 
C6
 1
 3.3uF 16V Electrolytic Capacitor
 
 
C7
 1
 1.5uF 16V Electrolytic Capacitor
 
 
Q1
 1
 2N2222 NPN Silicon Transistor
 2N3904
 
Q2
 1
 2N2907 PNP Silicon Transistor
 
 
Q3
 1
 NPN Phototransistor
 
 
D1
 1
 1N914 Silicon Diode
 
 
IC1
 1
 LM308 Op Amp IC
 
 
IC2
 1
 LM567 Tone Decoder
 
 
LED1
 1
 Infa-Red LED
 
 
RELAY
 1
 6 Volt Relay
 
 
S1
 1
 SPST Push Button Switch
 
 
B1
 1
 3 Volt Battery
 Two 1.5V batteries in series
 
MISC
 1
 Board, Sockets For ICs, Knob For R6, Battery Holder
 
 
RELAY
 1
 6 Volt Relay
 


Notes:
1. To adjust the circuit, hold down S1 while pointing LED1 at the receiver. Adjust R6 until you hear the relay click.

2. You can increase range by using a high output LED for LED1.

3. Bright light will stop the receiver from responding to the transmitter.

关键词:

·上一文章:红外遥控器干扰电路
·下一文章:步进电机控制器电路

文章评论评论内容只代表网友观点,与本站立场无关!

   评论摘要(共 0 条,得分 0 分,平均 0 分)

推荐阅读

图文阅读

热门阅读

Copyright © 2007-2017 down.gzweix.Com. All Rights Reserved .
页面执行时间:35,070.31000 毫秒