Drive 12V relay with TTL output

@summoner

8 years ago

https://everycircuit.com/circuit/4751533769228288

In Real: Change voltage divider resistors (1.8kOhm & 1.3kOhm) to 7805 for better stable 5V to ICs (like: 74xx gates, 555, etc.) Relay: Working Voltage: 12VDC Lamps: 12V/55W Car Lamp like H7 Diode: 1N4007 Transistor is: 2N2222