A JFET (Ql) serves as the oscillator. D2 helps to stabilize the transistor by limiting positive...
This is a one of the light sensor. This circuit is a dark sensor that is based on op amp 741 IC...
Here is a 7 segment counter circuit based on IC 74LS90 TTL. This can be used in conjunction with...
This circuit is a circuit diagram 12V inverter is very easy to build, cheap components that many...
A popular project among microcontroller aficionados is to build a radio-controlled clock. Tiny...
Pushing on P1 resets IC2 that start oscillating at a frequency fixed by R3 & C1. With values...
An alternative to the infamous ROG `s Ruby amp. As you see it shares with the Ruby the same...
For simple electronic circuits, it may be sufficient to get a qualitative insight on dedicated...
Provides timing in seconds to 99 s, and timing in minutes to 99 min, with 2-digit LED indicator...