Operation circuit for car headlamps - has brightness sensor and relay to activate signal generator when headlamps accidentally left on

摘要

The circuit for the headlamps uses a brightness sensor (9) and a signal generator (6). When the headlamp switch (3) is closed and a sufficiently bright situation is detected, the relay (8) operates, closing the switch (7) and activating the signal generator. ADVANTAGE - Warns when headlamps are accidentally left on, thus preventing battery drain.