The post explains how to make a simple PWM amplifier circuit also called class-D amplifier or switching amplifier. A PWM amplifier is an electronic amplifier in which the amplifying devices […]
0 – 30 V Regulated Power Supply Circuit
This 0 – 30 V regulated work bench power supply provides outstanding line and load regulation and a continuously variable output from 0 to 30 V with output currents as […]
Discotheque Music Level Indicator Circuit
This is a novel music level indicator, ideally suitable for using in a place like discotheque. This indicator is made of eight columns of eight LEDs are being placed at […]
Simple Bent Wire Game Circuit
The bent wire game is quite a popular game. There is a bent wire in an electrical circuit and a ring has to be passed over the wire without touching […]
Simple Steps to Make PCBs at Home
Obviously it is necessary to have a printed circuit board (PCB) before constructing any of the projects described in this book, and building your own printed circuit board is a […]
Burp Sound Simulator Circuit
Originally the burp sound simulator circuit was built as quick lash up but because it was so popular, especially with children, it is still in everyday use. Exactly what it […]