LM3909 LED flasher

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