555 timer

555 Timer Charge Pump Circuit Positive and Negative Charge Pump Circuit

In a previous article, I have shown you how you can build your own switched capacitor voltage converter circuit using the…

Charge Pump Circuit- Getting Higher Voltage from Low Voltage Source Charge Pump Circuit - Getting Higher Voltage from Low Voltage Source

The situation is simple – you have a low voltage supply rail, say 3.3V, and you want to power something that needs 5V. This is…

Simple Curve Tracer Circuit Simple Curve Tracer Circuit: Tracing the Curve for Resistor, Diode and Transistor

Most of electronics deals with Tracing Curves, be it the characteristic transfer curve for a feedback loop, a resistor’s…

Simple H-Bridge Motor Driver Circuit using MOSFET Simple H-Bridge Motor Driver Circuit using MOSFET

At the outset driving a motor might seems like an easy task – just hook the motor up to the appropriate voltage rail and it…

Frequency to Voltage Converter Circuit Frequency to Voltage Converter Circuit

Frequency to voltage converter converts the frequencies or pulses to the proportional electrical output such as voltage or…

Sawtooth Waveform Generator Circuit Sawtooth Waveform Generator Circuit

In electronics, waveforms are mostly plotted against voltage and time. The frequency and amplitude of the signal can vary…

24V Flasher Circuit 24V Flasher Circuit

Different Electronic systems operate in different level of voltages. Most commonly the digital electronic systems like…

8051 Microcontroller based Frequency Counter 8051 Microcontroller based Frequency Counter

Frequency is defined as number of cycles per second. It can also be defined as reciprocal of total time ‘T’.  In this…

Frequency Divider Circuit using 555 Timer and CD4017 Frequency Divider Circuit using 555 Timer and CD4017

Frequency Dividers are the circuits which divide the input frequency by n (any integer number), means if we provide some signal…

Wireless DC Motor Speed Control using IR Remote and 555 Timer IC Wireless DC Motor Speed Control using IR Remote and 555 Timer IC

In this project, we are going to Control the Speed of Dc Motor Wirelessly Using IR or TV Remote Control. Here we are not going…