• The original manufacturer of the D1 mini https://docs.wemos.cc/en/latest/d1/d1_mi­ni.html sells the D1 mini. They have a link to their own official aliexpress store.

    I wonder though if you'd be better off getting an official board? I myself use the EPS8266 for some hobby work, but for actual installations I very much prefer the official boards (the Puck.js is especially nice). The nrf52 boards are also very power efficient and can run on coin cell batteries; I have yet to get an ESP8266 to lessen its power consumption.

    There are also a number of other ESP8266 boards like the NodeMCU devkit but they're not as small. If you don't mind an ESP32 then the TTGo store in aliexpress also sells a number of custom chips that are already flashed with micropython (which usually means all the hardware necessary for flashing and using Espruino is already present). And of course there's the m5 stack line of products; the m5stickc is nice and small: https://github.com/m5stack/M5StickC


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