Download CTR2-Mini/Mini+ Firmware
Download the latest CTR2-Mini firmware here. Just copy and paste to update your Wio.
Download CTR2-Mini Antenna Switch Controller Firmware
Download the latest CTR2-Mini Antenna Switch Controller firmware and Node-RED flow here.
Download Node-RED for CTR2
Node-RED can be used in place of the Nextion display. Read more about it here.