This is a simple 2 WAY radio chat device built from Digispark (ATTINY85) + FS1000A + MX-PM-5V modules. Allows "IRC" like radio communication between several PC connected to 433MHz/315MHz frequency.

This IoT-based project is designed to monitor the mining environment and workers' health through radio communication between workers, underground substations, and the base station.

Arduino includes RF communication applications using the NRF24L01 module. The NRF24L01 module is connected to the Arduino.

data exchange terminal + communication quality checking