This project show how to make a simple Arduino Based Pulse Monitoring Circuit. It uses Arduino Nano, pulse sensor, OLED display, buzzer, an LED. The system reads heartbeat from finger sensor. Then Arduino calculate pulse per minute. OLED show result. LED and buzzer give alert when pulse go high or low. Circuit is simple and […]
Arduino Projects
DIY Arduino Based Weather Station Circuit
This DIY Arduino Based Weather Station Circuit is very easy project. It uses Arduino Uno, DHT11 sensor, 16×2 LCD and one potentiometer. The LCD show temperature and humidity on screen. The potentiometer controls LCD contrast and brightness. The wiring is simple and the code are also very easy. Anyone can build circuit this at home. […]
Jingle Bell Song Circuit with Arduino and Piezo Buzzer
Christmas time feels more fun when music plays. This project plays the Jingle Bells tune using Arduino Uno. With Arduino and small buzzer, we can make Jingle Bells tune at home. Very easy circuit and with very happy sound. Good project for beginners and kids. Arduino Coding: Code Explanation: Circuit Working: Parts List: Item Quantity […]
Arduino Bluetooth Appliance Controller Circuit
This project shows how to control a home appliance with Arduino. Bluetooth module HC05 sends command from mobile. Relay switches the AC load like bulb or fan. Arduino Bluetooth Appliance Controller Circuit is simple and safe when wired correctly. Good for beginners who want home automation. Arduino Coding: Code Explanation: Circuit Working: Parts List: Item […]
Arduino Line Follower Robot Circuit
Arduino Line Follower Robot Circuit uses sensors and motors. IR sensors look at floor all time. They find black line and white area. Arduino read these sensor signals. Then it tell motor driver what to do. Motor driver control wheels speed and direction. Robot follow black line by itself. Arduino Coding: Code Explanation: Circuit Diagram: […]
MQ2 Gas Sensor Circuit with Arduino
The MQ2 Gas Sensor Circuit with Arduino is a low-cost sensor. It can catch bad gas in air very quickly. When we connect it with Arduino, we make small gas alarm system. It reads gas level, show number on LCD and buzzer make sound when gas goes high. This circuit is very simple to make […]