The transmitter and receiver. For the transmitter, he turned an Arduino Pro Micro into a USB sound card which he could plug into his laptop.

I found that we could get the radio to reach the length of a 60ft bowling alley, but it worked best with one long range version as the receiver, and a standard module for transmitting.

Hydrosmart is an advanced water level monitoring system that leverages wireless communication, a touchscreen interface, and real-time data visualization to control and monitor water levels efficiently ...