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...

DIY Arduino Power Supply Shield with 3.3v, 5v and 12v Output Options

When developing electronic projects, the power supply is one of the most important part of whole project and there is always...

Arduino based Morse Code Generator

Morse code is a system of communication to encode any character in two different durations of signals called Dots and Dashes....

How to Use APDS9960 RGB and Gesture Sensor with Arduino

Today most of the phones come with gesture control feature to open or close any app, start music, attend calls etc. This is a...

Arduino CAN Tutorial - Interfacing MCP2515 CAN BUS Module with Arduino

Today any average car consists of around 60 to 100 sensor units in it for sensing and exchanging information. With car...

DIY Arduino Digital Protractor using MPU6050 Gyroscope

The MPU6050 is an IC 3-axis accelerometer and a 3-axis gyroscope combined into one unit. It also houses a temperature sensor...

Arduino based Text to Speech (TTS) Converter

Text-to-speech or TTS system converts normal text into Speech. This tech enables the system to speak out the text in a human...

How to Flash the Firmware on Clone HM-10 BLE Module using Arduino Uno

While using the BLE HM-10 module, you must encounter some really frustrating problems like you cannot send or receive AT...

Arduino Whistle Detector Switch using Sound Sensor

As a kid I was fascinated by a toy music car which gets triggered when you clap your hands, and then as I grew up I wondered if...

How to Use BH1750 Ambient Light Sensor with Arduino

When you take your phone in sunshine or in high lighting, then it automatically adjusts the brightness according to the...