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.
This simple speed control for 3 to 15 V motors uses a common power transistor. The circuit was...
This simple circuit was obtained in a Portuguese publication in 1979 but can be easily assembled with...
September 2017 - Microchip 32-bit PIC32MX series microcontrollers are available from Mouser...