888
Description
A very simple LED flasher circuit using an LM3909, these were great because you could connect a 1.5v battery up to them. They are hard to come by nowadays.
Schematic
lm3909 led flasher
Parts List
QTY PART-REFS VALUE --- --------- ----- Capacitors ---------- 1 C1 220uF Integrated Circuits ------------------- 1 U1 LM3909 Diodes ------ 1 D1 LED Miscellaneous ------------- 1 BAT1 1.5V
Links