In my Luddite world, I never HAD a development board for the ESP8266. I bought 0.1” footprint adapters and then made my own.

Kniwwelino is the latest in a line of micro:bit-inspired projects that we’ve seen, but this one comes with a twist: it uses an ESP8266 and WiFi at the core instead of the nR51 ARM/BTLE chip. … ...