How to update the device

    1. Download and un-zip the latest firmware from here: Downloads
    2. Get a hold of your Cerise transmitter and hold pressed the 1. BOOT button
    3. While holding the button down, plug the transmitter in your computer with a USB type-C cable
    4. A new mass media storage device should appear called RPI-RP2, drag and drop your CeriseFirmwareXXX.uf2 file onto it
    5. Wait until the transfer is complete, then power cycle the unit