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5 years ago

Justin9

1. Re: 555 timer 40khz IR Oscillator

I would like to use this for a project I'm working except I will be using 12 volts instead of 5volts and I have have 8 infrared leds... can someone help me get all the resistors right? andrew Wrote: ------------------------------------------------------- > > 40khzir.jpg > > parts: > U1 555 Timer IC > R1 47 ohm resistor > R2 470 ohm resistor > R3 5k vari
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							\| May 23, 2013
			Home Forum!! *Robotics Projects:* Smallbot *Electronics Projects:* SMT Reflow Serial Multiplexer *Project Log:* Current Projects My Bench Equipment				Infrared : Reconn's World Forum Attention! If you would like to post, but don't want to create your own account, use login:guest password:rw -- Enjoy! Goto: Forum List•Message List•New Topic•Log In Current Page: 1 of 1 Results 1 - 1 of 1 5 years ago Justin9 1. Re: 555 timer 40khz IR Oscillator I would like to use this for a project I'm working except I will be using 12 volts instead of 5volts and I have have 8 infrared leds... can someone help me get all the resistors right? andrew Wrote: ------------------------------------------------------- > > 40khzir.jpg > > parts: > U1 555 Timer IC > R1 47 ohm resistor > R2 470 ohm resistor > R3 5k vari Forum: Infrared Current Page: 1 of 1 Goto: Forum List•Message List•New Topic•Log In This forum powered by Phorum.