Make A Cell-phone Battery Charger!

Lithium-ion batteries is the best battery choice you'll ever need to power just about anything anywhere -- from your laptop, cell-phones and digital cameras...

Best MPPT Solar Charge Controllers Reference Designs

A solar charge controller regulates the voltage and current coming from the solar panels going to the battery to keep them from overcharging. For...

Low-cost SMPS Design For Your Wireless/PC Speaker!

A majority of electronic DC loads like motors, LEDs and microprocessors need regulated source voltage levels which are not obtained from standard voltage sources....

Make Your Own Ceiling/Server Fan Controller!

The next generation of home ceiling fans and server fans exclusively use 3-Phase brushless DC (BLDC) motors as they offer many advantages such as...

High-Performance PMSM Drive Methods

Nowadays, most appliances such as refrigerators, washing machines, dishwashers, pumps, compressors, fans and other appliances require an electronic speed or torque regulation, that too,...

How To Make High-res “Digital Weighing Scales”?

Digital weighing scales are the most precise and extremely dependable when it comes to domestic, laboratory or industrial usage. For measurement of loads, they use...

How To Make A Computer UPS?

Uninterruptible power supplies (UPSs) provide clean and stable power to save electronics equipment such as computers, communications and medical devices from power line surges...

Smart Energy Meter Designs To Help You Save Electricity!

Do you know how much energy you spend to do a wash, boil a kettle or heat your home? If you need to keep...

How To – Make A “Solar Inverter”?

Solar Inverters have now made a wide transition from simply inverting the DC currents of the solar panels to AC. Inverter manufacturers think from...

Reference Designs