Perf Board

Reverse Polarity Protection Circuit using RT1720 Over Voltage, Over Current, Transient Voltage & Reverse Polarity Protection Circuit using RT1720 Hot Swap Controller with Fault Timer

Oftentimes in an electronic circuit, it's absolutely necessary to use a special protection unit to protect the circuit from…

Fingerprint based Car Ignition System Fingerprint based Car Ignition System using Arduino and RFID

Nowadays most of the car comes with keyless entry and push-button ignition system, in which you only need to carry the key in…

Portable Arduino-based Load Scale with HX711 Weight Sensor Portable Arduino Weighing Machine with Set Weight Option for Retail Packing

Digital load scales are another miracle of modern-day engineering and design. Yes, we are talking about the weighing scale we…

DIY ATtiny85 USB Rubber Ducky DIY USB Rubber Ducky using ATtiny85

The USB Rubber Ducky or Bad USB is a famous attack tool that looks like a USB pen drive but acts like a keyboard when plugged…

AC Phase Angle Control Circuit AC Phase Angle Control for Light Dimmers and Motor Speed Control using 555 Timer and PWM Signal

Home automation systems are increasingly gaining popularity day by day, and nowadays it's become easy to turn on & off…

Air Quality Analyzer using Arduino Air Quality Analyzer using Arduino and Nova PM Sensor SDS011 to Measure PM2.5 and PM10

Air pollution is a major issue in many cities and the air quality index is getting worse every day. According to the World…

Touch Sensitive Color Changing Plants using Arduino and RGB LEDs Touch Sensitive Color Changing Plants using Arduino and RGB LEDs

In this article, we will learn how to build a touch-based color-changing plant using Arduino. When you touch the plant, the…

Interfacing Sharp GP2Y1014AU0F Sensor with Arduino Interfacing Sharp GP2Y1014AU0F Sensor with Arduino to build Air Quality Analyser

Air pollution is a major issue in many cities and the air quality index is getting worse every day. According to the World…

230V AC Mains Over Voltage Protection Circuit 230V AC Mains Over Voltage Protection Circuit

Most of the power supply these days are very reliable due to advancement in technology and better design preferences, but there…

Wall Mount Digital IR Thermometer using Arduino Non-Contact Wall Mount Digital Infrared Thermometer with SD Card Logging

Scanning temperature at the entry gates of office, malls, shopping centers, etc. has become the “new normal” to tackle the…