The proposed solar water heater with battery charger controller circuit explains a simple method of utilizing the excess solar energy from a solar panel for heating water in water tanks […]
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Single Mosfet Timer Circuit
The following article discusses the use of a mosfet as a switch for toggling high current loads efficiently. The circuit can be also transformed into a delay OFF circuit with […]
Convert a Square Wave Inverter into a Sine Wave Inverter
The post explains a few circuit concepts which can be employed for converting or modifying any ordinary square wave inverter to a sophisticated sine wave inverter design. Before studying the various designs explained in […]
Laser Diode Driver Circuit
The current controlled circuit of a laser pointer power supply explained in the following post was requested by Mr. Steven Chiverton (stevenchiverton@hotmail.com), who himself is an intense electronic hobbyist and researcher. Technical […]
3 Simple DC UPS Circuits for Modem/Router
In the following article we discuss 3 useful DC to DC uninterruptible power supply circuits or DC UPS circuits for low DC to DC uninterruptible power applications The first idea below […]
Simple Solar Garden Light Circuit – With Automatic Cut Off
A very simple automatic solar light system for illuminating your garden passages can be built using some LEDs, a rechargeable battery and a small solar panel. The system automatically switches […]