More about Power Supplies (296)

| A single circuit to power a Raspberry Pi equipped with a hard disk.

| HV power supply with tube and semiconductor curve tracer controlled by a Raspberry Pi with touch display.

| The circuit presented here is a general-purpose soft-start accessory for both homemade and commercial power supplies.The simplest lab power...

| Driving a mains-powered load, be it inductive or resistive, invariably has to be done with care and attention to avoid dangerous situations....

| A switched off device does not reduce battery life, but is does not work either. Now, an energy-efficient system that is always on alert can...

| TDK-Lambda have introduced a new range of PCB-mounted mains power supplies which feature a wide input voltage range and are mounted in a fla...

| There are not so many projects on the web where you can drive a mains power using a TRIAC. This project can drive 2000 watt by a DC or PWM c...

| New conductive polymer aluminium solid capacitors from Panasonic benefit from high ripple current and low ESR values. Ideal for use in outdo...

| Not so long ago the author stumbled across a bunch of old notebook batteries. They had been rejected as ‘no longer fit for purpose’. Natural...

| Designers of wearables, fitness-monitors, IoT applications, mobile and all kinds of connected devices work hard to make the battery life of...