This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level ... This variable resistor is connected in a voltage divider configuration, and Arduino ...

(Source: Arduino) The UNO R4 WiFi version comes with an Espressif ESP32-S3 module for Wi-Fi and Bluetooth Low Energy connectivity. The bright 12×8 red LED matrix is ideal for creative projects using ...

When you need to quantify the color of an object, you’ve got quite a few options. You can throw a Raspberry Pi camera and OpenCV at the problem and approach it through software, or you can buy ...