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