555 LED Flasher

by fisher0251.
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2 layer board of 0.95x0.96 inches (24.13x24.46 mm).
Shared on September 14th, 2015 19:03.

Simple 555 timer circuit to flash 2 LEDs. R1. R2 and C1 set the timer frequency and duty cycle. R3 and R4 limit the current through each LED.

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