Laser Diode Driver Using LM317 Voltage Regulator IC
A laser diode driver is a configuration used to drive a laser diode. A laser diode is a … Read more
Syed Saad Hasan
Flip-Flop LED Flashing Circuit Using Astable Multivibrator
A Flip-Flop LED flashing circuit is a basic circuit that produces a continuous square wave blinking output. This … Read more
Simple LED Flasher Circuits Using 2N3904 NPN Transistor
LED flasher circuits are perhaps, the simplest way for electronics to say ‘HELLO WORLD’. It is a simple … Read more
Arduino High Voltage Driver Circuit Using IRF9540 Power MOSFET
When using an Arduino, we often need to control more voltage/current than can be handled directly from the … Read more
Simple VU Meter using LM3914 Dot/Bar Display Driver IC
A VU meter or a volume unit meter is a device that displays the intensity of an audio … Read more
Simple Timer Circuit Using 2N3904 NPN Transistors
A Simple timer circuit is a crucial part of any electronic circuitry that introduces a set time delay … Read more
Simple 5V Power Supply Circuit Using LM7805 Regulator IC
Nowadays, almost all electronic devices include a circuit that converts AC supply into DC supply. The section of … Read more
Simple Beeper Circuit Using CD4011 2-Input NAND Gate IC
A Beeper circuit is a simple but sophisticated electronic device that produces a monotonous beeping sound which can … Read more
LED Chaser Circuit Using CD4017 Decade Counter IC
An LED chaser circuit (ring counter) is a repeating sequencer usually made by combining a clock with a … Read more
Simple Voltage Booster Circuit Using Transistors – DIY
A DC Voltage booster circuit boosts a low-level DC signal, namely 1.5V to 3V to a significantly higher … Read more
Speech Amplifier Circuit using TDA7052 Audio Amplifier IC
Speech amplifiers are compact, personal amplification systems that give voice boosts for different speech impairments. Some designs are … Read more
LED Emergency Light Circuit Using LDR (Light Dependent Resistor)
An LED Emergency Light powers ON when there is not enough lighting or if the main power supply … Read more
Different Parts of PCB – Printed Circuit Boards
A PCB board works together to form a complete system to power our devices. As we get further … Read more
High Power Amplifier Circuit (100 Watts) Using TIP122 TIP127 Transistors
A high power amplifier is a non-linear device that amplifies a small signal to a significant level, all … Read more
Proximity Sensor Using TSOP1738 IR Receiver | IR Security Alarm
What is a Proximity Sensor? An Electronic Proximity Sensor is a contactless sensor that determines the presence of … Read more
How To Make A Cell Phone Detector using LM358 Op-Amp IC
What is a Cell Phone Detector? A Cell phone detector basically senses the presence of any cellular device … Read more
