int pirPin = 2; // PIR sensor output connected to pin 2 int ledPin = 13; // LED connected to pin 13 (or relay module) void setup() { pinMode(pirPin, INPUT); pinMode ...
This project uses an HC-SR04 ultrasonic sensor and Arduino UNO to measure the distance of objects in both centimeters and inches. The measured data is displayed on an I2C LCD. The project was ...
Have you ever wondered how speed guns measure the speed of moving vehicles or how an athlete's sprint speed is recorded? Normally these speed sensors work with radar or laser technology to bounce back ...
The nRF24L01 is a small, low-price Wi-Fi verbal exchange module that keeps records over short distances. It uses radio waves to switch information at 2.4GHz, just like Wi-Fi however with decreased ...
Join the Arduino maker revolution. Learn Arduino Programming ,Electronics , sensors and basics of Arduino UNO. Sometimes tiny open-source Arduino microcontrollers can spark the global revolution.
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