Basic Electronic Circuits

DIY Portable Power Bank Circuit to Charge Your Cell Phone DIY Power Bank Circuit

The features of digital products are growing enormously, which triggers the frequent usage of smartphones in several…

Raspberry Pi PWM Tutorial Raspberry Pi PWM Tutorial

Raspberry Pi is an ARM architecture processor-based board designed for electronic engineers and hobbyists. The PI is one…

Transformerless Power Supply Transformerless Power Supply

Generating low-voltage DC from the 220V or 110V AC mains is very useful and necessary in the field of electronics. Low voltage…

4x4 Matrix Keypad Interfacing with 8051 Microcontroller 4x4 Matrix Keypad Interfacing with 8051 Microcontroller

Keypad interfacing with 8051 microcontroller represents one of the fundamental skills for embedded systems developers. Matrix…

LED Interfacing with 8051 Microcontroller (AT89S52) LED Interfacing with 8051 Microcontroller

LED interfacing is the first thing one would try to do while getting started with any microcontroller. So here in this…

Stepper Motor Driver using 555 Timer IC Stepper Motor Driver Circuit

Technically stepper motor driver circuit is a Decade Binary Counter circuit. The advantage of this circuit is, it can be…

Simple Touch Switch using 555 Timer IC Simple Touch Switch Circuit using 555 Timer IC

This simple Touch Switch is developed by using 555 timer IC operated as a MONOSTABLE vibrator. Here the stable stage is…