Instructables

Light activated blinking LEDs

Step 2: The Flashing Circuit

Picture of the Flashing Circuit
This page shows the basic timer circuit used. It's a bit less complex than the full schematic and you may find it helpful to take it one step at a time, just to make sure you get it right.
 
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PoisonMondo4 years ago
ry shorting the ldr make sure the pots away from flammable stuff and the smoke and smell sets of smoke alarms buts its awsome
 
dave925 years ago
you never said in the parts list that you need a 330uf capacitor