LED Flasher circuit

ledflash.gif (2919 bytes)

Parts
R1, R2 220K Ù
R3, R4 390 Ù
C1, C2 10 µF
LED1, LED2 Light Emitting Diode
Q1, Q2 NPN transistror

See: Using the LED flasher circuit in place of the 555 timer.

Tim Salazar 2005
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