Here is a tested Arduino project that uses 3 sensor probes as water level indicator with 3 leds and one LCD display + a simple controller that turns on a motor when the water has reached the desired ...

Using an Arduino shield extension board together with a NB-IoT BLE Gateway and BLE Sensor Probe the open source system allows you to connect to 25 ...

The kit has parts and sensors to help beginners learn how to connect things, write code, and make projects without any ...