This circuit emits a warning sound when night falls. The circuit is from a Hands On Electronics from the 90s. The Sensor is a common LDR and R6 adjusts the trigger point.
DC motors of 6 to 12 volts and currents of up to 2 amps can be controlled with this circuit. The...
We found this circuit in a 1996 publication. Equivalent components can be tried, especially in the...
April 2017 - Mouser Electronics is providing Vishay's new VCNT2020 optical sensors for position...