This post describes how to use a 4007 Diode as a Light Detecting Sensor. The ceramic part on the top of the diode used in this has been removed as shown in the picture below. …
Push-Button LED Light Dimmer Circuit .This post shows you how to vary the Brightness of LED Light using IRF540 MOSFET. Increase and decrease the brightness of the LED light using the two Micro Switch. Only …