#Piezo Knock Sensor A piezo disc works when an electric field (voltage) is applied across ceramic material in the disc, causing it to change shape and therefore make a sound (a click). The disc also ...

This Arduino project implements a GSM-based knock sensor alarm system. The system is designed to detect physical impacts or knocks using a knock sensor and send alerts via SMS and phone call to a ...

An infrared proximity sensor, or IR Sensor, is an electronic device that emits infrared light to detect objects and motion in Arduino projects. This interfacing of the IR sensor module with Arduino is ...

Rutronik Adapter Board RAB7 is an open-source hardware Arduino shield designed for AI-powered Sensor Fusion with seven environmental and inertial sensors from Bosch, Infineon, and Sensirion. The ...

The [Libelium] team wanted to help people in Japan measure radiation in their surroundings following the nuclear accident in Fukushima. Because of the affordability and seeming ubiquity of the Arduino ...

Today, We will review the Cytron Maker Uno RP2040 development board combining the Arduino UNO form factor with the Raspberry Pi RP2040 microcontroller that makes it programmable with the Arduino IDE ...