Arduino leak sensors only have three pins to connect, making them easy ... but it works with older Arduino boards like the first-gen Uno. Measuring the pH level of a water source can give you ...

The Arduino Nano Connector Carrier is a compact add-on board designed for the Arduino Nano boards to allow easy connection to ...

If you’re going to develop another Arduino-compatible board these days ... Citizen somewhere and it can send sensor data to the web over a WiFi connection. The result is worth a look.

And the Touch Board from Bare Conductive wants you to combine your DIY spirit with the ability to turn practically any surface into a sensor. At the heart is an Arduino compatible microcontroller ...