Rats are a dreaded pest that may ruin houses, gardens, and other places. They harm furniture, electrical lines, and other objects in addition to being carriers of a number of illnesses. It makes sense that people would constantly seek for strategies to keep rats out of their gardens and houses. Using a circuit that repels […]
Newly Updated Circuit Projects:
Transformerless Relay Driver Stage
In this post I have explained an enhanced transformerles power supply circuit design which consists a well stabilized and regulated DC stage along with a relay driver stage which operates through an external pulse. he idea was suggested by Mr. Reza. Technical Specifications Reza: Dear Sir, I have a problem with one Circuit regarding converting […]
Simple Water Heater Alarm Circuit
In this post I have explained a simple water heater alarm circuit which may be used as a safety device for getting indications regarding the switched position of a water heater or a geyser through intermittent buzzer actuation. The idea was requested by Mr. Mathew. Technical Specifications To be frank i am new to your […]
Simple Thermostat Circuit Using Transistors
The electronic thermostat explained here can be used to control the room temperature by appropriately switching (turning on and off) a heating device. By: R.K. Singh Operational details of electronic thermostat The circuit employs a thermistor NTC (negative temperature coefficient) as the sensor device. – As long as the ambient temperature stays higher than the […]
Making a “Helping Third Hand” for Aiding Soldering Jobs
In this post I have explained a step by step construction of a “helping third hand” unit for assisting PCB soldering jobs in order to make the job much hassle free. The gadget could be very handy especially for the new hobbyists. The project was constructed and submitted by Master Ss kopparthy. I have explained […]
Emergency Incubator Heater Circuit with Battery Charger
In this post I have explained a 12V power supply with battery charger circuit which can be implemented as an uninterruptible emergency heating system for incubator chambers. The idea was requested by Mr. Arya. Technical Specifications I’ve read all your good article, but can you help me to design an Linear PSU that provide 12 […]