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ESP32 Interrupt Tutorial ESP32 Interrupt Tutorial

Interrupts are used to handle events that do not happen during the normal execution of a program, but when a specific…

Arduino GP2Y1014AU0F Dust Sensor How Does the GP2Y1014AU0F Dust Sensor Work and How to Interface it with Arduino

When we are talking about air pollution, dust and smoke are one of the many reasons for air pollution. Not only that,…

Arduino IR Sensor Interfacing Interfacing IR Sensor Module with Arduino

An infrared proximity sensor, or IR Sensor, is an electronic device that emits infrared light to detect objects and motion in…

What is Switch Bouncing and How to prevent it using Debounce Circuit What is Switch Bouncing and How to prevent it using Debounce Circuit Table of Contents What is Switch Bouncing and Debouncing?  What is Software Debouncing?  Switch Bouncing Circuit Diagram  1.…
ESP32 Development Board Tutorial ESP32 PWM Tutorial: Controlling the Brightness of LED

Pulse Width Modulation (PWM) is a technique that varies the width of a pulse while keeping the wave frequency constant. The PWM…

LED Display Board using P10 LED Matrix Display and Arduino LED Display Board using P10 LED Matrix Display and Arduino

Display advertising plays a very important role in marketing, and there are several advertising methods like newspapers,…

Transformerless LED Driver Circuit for Reliable Low Cost LED Bulb Designs Transformerless LED Driver Circuit for Reliable Low Cost LED Bulb Designs

LED bulbs are said to be 80% more efficient than other conventional lighting options like fluorescent and incandescent bulbs.…

Mechanically powered Emergency Flashlight Mechanically powered Emergency Flashlight

Flashlight or Torch is very useful in emergency situations like power failure. These flashlights are battery-operated, and we…

Charlieplexing Arduino- Controlling 12 LED with 4 GPIO Pins Charlieplexing Arduino - Controlling 12 LEDs with 4 GPIO Pins

Charlieplexing is a technique of controlling many LEDs using a few I/O pins. Charlieplexing is same as multiplexing, but it…

Interfacing HC-05 Bluetooth Module with MSP430 Launchpad to Control an LED Interfacing HC-05 Bluetooth Module with MSP430 Launchpad to control an LED

While a lot of wireless technologies have been introduced in past decade, but Bluetooth is still the most popular tech for…