This circuit is a transformerless power supply that utilizes SCRs or silicon-controlled rectifiers to create an adjustable capacitive power supply. Let us learn how this whole thing operates: Circuit Overview […]
5V, 12V Buck Converter Circuit SMPS 220V
Featuring 90% efficiency, this step-down buck converter can transform a 220V AC input from the mains supply into 5V, 12V, or 24V DC. The indicated buck converter is an SMPS […]
Make these Low Dropout Regulator Circuits at Home
We can use transistorized low dropout voltage regulator circuits to achieve stable output voltages. These voltages can start at 3 V and go up to 5 V, 8 V, 9 […]
Make this Soft-Start Power Supply for Amplifier Loudspeakers
The purpose of the suggested slow-start power supply circuit is to prevent the loudspeaker which is hooked up to the amplifier from producing an unpleasant and loud “thump” sound when […]
Low-cost Transformerless Hi-Watt LED Driver Circuits with Surge Protection
I was forced to address the issue once and for all after receiving a growing number of reader complaints about burning LEDs related to my previously released transformerless 1 watt […]
Very Cheap and Simple SMPS Circuit Using MJE13005
The circuit we are talking about in this article is probably one of the simplest and most cost-effective options out there. This is mainly because it uses a very small […]