UART
These commands are available three ways — in the FREE-WILi GUI app, in a serial terminal, and on the device itself. See Connecting it to a computer for how to reach them.
Write
Writes data to a specific I2C Address
How to use it — press w. At the prompt, enter: Data Byte(s) Separated By Spaces.
What you enter — data_bytes.
Enable UART Read Events
Reads the number from the address
How to use it — press r.
Enable UART API mode
Tests all addresses for I2C Response
How to use it — press t.
See also: UART panel — the on-screen panel for this.