LED Flasher IV


Posted on Aug 1, 2012

This circuit will flash a string of LED's, typically 16, with direct connection to the mains and with a period adjustable between 1 and 4 seconds depending on the setting of the 22K/1W pot. Operation at 110V should also be possible but has not been tested. It can be used as a Christmas Tree decoration, entertainment in general or to flash a symbol made out of LED's - WARNING - this circuit is implemented at your own riisk! It operates directly out of the mains and proper precautions must be taken.


LED Flasher IV
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

30m Band Receiver
Automatic contrast meter
Voltage-controlled-filter
Serial to Parallel circuit Shifting Out with 74HC595
Dual Litz Honeycomb Coils Crystal Radio
4 order filter with a single IC project PCB
Temperature Sensor
VHF radio receiver



Top