USB to Serial
Device comes with an ESP8266EX chip soldered directly on the PCB.
WARNING: The devices cannot be flashed with Tuya-Convert at present (2021-12-10).
You will need to flash the
tasmota-ir.bin firmware to this device via serial (see pinout below).
tasmota-ir.bin firmware for full infrared (IR) functionality.
The case can be opened via 4 clips which are quite tight. See image below.
Pinout for flashing via serial
You can temporarily solder jumper cables to the pins denoted in the image below.