Category Archive: Twilight Switch

Jun 12

Twilight Switch

This twilight switch works a bit different then a normal one. It turns the output on when there is sun. The purpose for this is to power a water pump to pump water trough a hot water solar panel. If you let it run at night it will cool your water back down.

Circuit:
Schema Schemerschakelaar

The pcb lay-out:
With components
Without components
Schemerschakelaar
Schemerschakelaar
Schemerschakelaar
Plug to the LDR
Schemerschakelaar
Schemerschakelaar
Schemerschakelaar

Jun 20

Twilight Switch – Update

New circuit with hysteresis:
Schema2