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 Reference Designs For HB-LED Drivers

LED devices are created by depositing two thin layers of materials onto a substrate, one with an excess of electrons and the other having...

LED Driver Designs For LCD Backlighting

LED Drivers for backlighting applications are required to drive one or more strings of LEDs. LED-backlit LCD displays have now replaced CCFL-based backlighting panels...

Designing MPPT Solar Charge Controllers

A solar charge controller helps in charging battery using solar energy collected by Solar panels. Maximum power point tracking (MPPT) is a technique used commonly with photovoltaic (PV) solar systems to maximize...

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 ‘Automatic Blood Pressure Monitor’?

A blood pressure (BP) meter or a device used to measure blood pressure is available in a number of models, ranging from professional monitors...

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...

Efficient Retrofit LED Drivers For Existing Infrastructures

A significant advantage for LED retrofit lamps is that these lamps do not require a new electrical infrastructure. Due to their long life and...

Reference Designs