High Low triggered - Opto isolated - BC547 - 2N2222 driver

@ozfalcon

9 years ago

https://everycircuit.com/circuit/6527185229709312

5mA required to activate trigger Throw both secondary switches to change high/low trigger T1 BC547 saturation 0.9mA T2 2N2222 saturation 25mA Typical load is 500mA for T2