I purchased a bunch of 3mm Led's Bi-colour red/blue but turned out to have only 2 legs, not three as i thought, the polarity must be reversed to light second colour. I need a circuit that will alternate the Led voltage at around 2 Hz and operating on 12v Vf is 3.2-3.6v
The circuit shown elsewhere using 2N3906 transistors works well for the 3 leg Bi Led's but not for these.
Any help with a circuit or where to find one will be greatly appreciated.
Regards Damien.
The circuit shown elsewhere using 2N3906 transistors works well for the 3 leg Bi Led's but not for these.
Any help with a circuit or where to find one will be greatly appreciated.
Regards Damien.