Want to know and data log the moisture level of soil, here is the sensor to…
Tag: SL 100
Power saver circuit using PIR sensor
Many times we forgot to turn off some home appliances when it not…
Simple continuity tester circuit diagram
This simple continuity tester circuit constructed with single npn switching transistor SL100, this circuit will give…
Simple Rain detector alarm circuit
Single transistor Rain detector alarm or water drop detector alarm, We can use this circuit any…