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T O P I C R E V I E W
n/a
Posted - Dec 13 2003 : 8:59:53 PM
Can anyone please explain this IR transmitter?
Parts:
R1____________22K 1/4W Resistor
R2____________1 Meg 1/4W Resistor
C1_________0.01uF 16V Ceramic Disk Capacitor
Q1____________2N2222 NPN Silicon Transistor
Q2____________2N2907 PNP Silicon Transistor
LED1__________Infa-Red LED
S1_____________SPST Push Button Switch
B1_____________3 Volt Battery
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