The firmware is compatible with many variants of the ESP8266:
The following instructions will help you to flash the Sensate firmware:
If you don’t use a developer board like the NodeMCU or WeMos D1 Mini, you probably have to wire your chip properly first. For the ESP-12 and ESP-07 we have prepared a tutorial:
This section describes how to load the firmware onto the chip.
Coming soon: the Sensate Firmware Tool for Android