Here we learn how to build a simple LDR based motion detector sensor circuit using ordinary parts such as LDRs and opamps, reasonably accurately. What are Motion Detectors Motion detector […]
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How to Check a MOSFET Using a Digital Multimeter
The post explains how to test mosfets using multimeter through a set of steps, which will show help you to accurately learn the good or faulty condition of a mosfet […]
Cheap Semi Automatic, Tank Water Over Flow Controller Circuit
The circuit presented here monitors the level of the water rising inside a tank and automatically switches OFF the pump motor as soon as the water level reaches the brim […]
3 Best LED Bulb Circuits you can Make at Home
The post elaborately explains how to build a 3 simple LED bulb using many LEDs in series and powering them through a capacitive power supply circuit. Warning: Circuits explained below […]
Timer based Water Level Controller Circuit
The explained circuit of a water level controller circuit is based on a adjustable timer circuit whose time delay is first adjusted to match the filling time of the tank, […]
2 Tone Ringtone Generator Circuit
The IC LS1240A from SGS Thompson is specifically designed for generating a 2 tone ringtone generator circuit. Thus the IC specifically becomes suitable for landline telephones for producing the ringtones […]