SL 100 Archives - theoryCIRCUIT - Do It Yourself Electronics Projects

Want to know and data log the moisture level of soil, here is the sensor to…

Power saver circuit using PIR sensor

Many times we forgot to turn off some home appliances when it not…

This simple continuity tester circuit constructed with single npn switching transistor SL100, this circuit will give…

Very simple metal detector circuit is given here, it uses Inductive proximity sensor. It has the…

Single transistor Rain detector alarm or water drop detector alarm, We can use this circuit any…