This is a consolidated circuit board that can be used to control either a DIY brew controller via BrewManiacEX or a DIY fermentation controller via BrewPiLess. For those of you that are unfamiliar with BrewManiacEX and BrewPiLess, they are both open-source applications designed to be used with the ESP-8266 wifi-enabled microcontrollers, such as the NodeMCU or Wemos D1 Mini. Both applications have intuitive web front-ends that allow for custom temperature control schedules, graphical temperature displays, and long-term logging. This particular board is designed to utilize the Wemos D1 Mini and through-hole components for easy at home assembly with basic components.

https://github.com/vitotai/BrewManiacEsp8266