Learn how the SW-520D tilt ball switch works with Arduino, Raspberry Pi, and ESP32 for simple tilt and vibration detection.

Use this normally open reed switch as a simple magnetic door, lid, or limit sensor with Arduino, Raspberry Pi, and ESP32.

Learn how the 49E linear Hall effect sensor works with Arduino and ESP32 for analog magnetic field sensing and position tracking.

Use this rain and water level detection sensor module with Arduino, Raspberry Pi, and ESP32 for leak alerts, tank sensing, and irrigation...

See what the KY-018 light sensor module does, how to verify its pinout, and how it fits into Arduino and ESP32 projects.

See how this MAX485 UART-to-RS485 module helps Arduino, ESP32, STM32, and Raspberry Pi build reliable half-duplex serial links.

Build accurate Arduino, Raspberry Pi, and ESP32 scales with a 5kg load cell and HX711 amplifier kit for weighing, force measurement, and ...

Quick guide to the YZC-131 5kg load cell for Arduino, Raspberry Pi, and ESP32 projects using an HX711 amplifier.

Quick guide to using a 50kg half-bridge load cell with an HX711 for digital scales, body weight projects, and force sensing.

Use the SW-420 vibration sensor module to detect tapping, impact, and movement in Arduino alarms, robotics, and anti-tamper builds.

Use the ACS712 5A current sensor module with Arduino, ESP32, or Raspberry Pi ADC projects for current monitoring, protection, and power t...

Use this HMC5883L GY-273 guide for I2C compass, heading, and magnetic field sensing with Arduino, Raspberry Pi, and ESP32.