From: Mark Roth <markroth8@ya...> - 2002-08-07 13:08:51
I'm a beginner at electronics (gotta start somewhere).
I've built some very basic circuits like blinking
LEDs w/ a 555 Timer and logic circuits, but I'm very
weak with analog (software is my thing).
I've built the improved transmitter circuit with parts
close to what were called for, except for the
* 4700 uF capacitor instead of 4000 uF
* Silicon diodes have a 1.6V forward voltage drop
instead of 0.7V, so I only connected one.
* Using regular LEDs instead of IR LEDs for
I've assembled the circuit on a breadboard and I'd
like to test it before blowing up my motherboard :)
Perhaps this is a completely naive way to test the
circuit, but I've tried running -6V through it and
watched the capacitor charge up, and then run +6V
through it and nothing happens (the LEDs don't shine,
but the capacitor slowly discharges, I think).
Any suggestions for how to test the circuit more
How can I debug my problem?
Has anyone been able to get this circuit to work?
With parts from Radio Shack? :)
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