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LED Frequency Indicator for (modified) Dave Lawton PWM

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Uploaded by on Jun 6, 2008

overview and detail of a LED indicator circuit to indicate selected frequency when used on a (modified) Dave Lawton PWM.

parts list:

[4] Rectangular Red LED
[4] Rectangular Yellow LED
[4] Rectangular Green LED
[12] 1K Ohm 1/4 Watt 5% tol resistor
[10] 1N4148 Fast Switching Diode
[7] 2-Position PC Board Terminal
[2] 2-Pole, 6-Posistion Non-Shorting Switch

Category:

Nonprofits & Activism

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License:

Standard YouTube License

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  • Nice, Easy to understand.

  • Nice, easy to understand.

  • So why can't you use the charicteristic of the LED's diode to do what the extra diods do? don't know just asking

  • very helpfull, thanks dude.

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