THIS little power supply supplies a range of switch selectable output controlled voltages from 4.5 to 12 volts, selectable by a switch. The supply provides up to 400 mA and […]
Ten Channel Touch Switch Circuit
This ten channel touch switch circuit can be used to generate ten individual on/off outputs in response to the touching of ten respective touch pads. Touch switches are available in […]
Adjustable Power Resistor Circuit
A serious problems came across when examining power supplies is the availability (or nonavailability) of a suitable load. Generally, the issue is sorted out by a lash-up of resistors which, […]
Constant Current Adapter Circuit
It is very necessary that this electronics enthusiast needs a constant current source. If this type of need does occur, for instance for test requirements, it can be a item […]
6 V to 12 V Converter Circuit
You will discover an incredible variety of VW Beetles and Fords on the streets which continue to work on a 6 V battery. In such vehicles (and motorcycles) one can […]
+/- 15V Dual Regulated Power Supply Circuit
In this post we discuss how to build a simple, regulated fixed +/- 15 V symmetrical dual power supply circuit using standard components and very cheaply. Despite the fact that […]