ESP8266 development boards like the Wemos D1 Mini and NodeMCU are an excellent way to get a one-off project up and rolling quickly, but their size and relative complexity mean they aren’t necessarily ...
The new hotness for Internet of Things hardware is the ESP8266. Alone it can connect to a WiFi network, but it doesn’t really have a lot of output options. Paired with an ATMega, and you really have ...
The capacitor creates a pulse on RESET when D1 goes HIGH The pull-down resistor keeps RESET stable when D1 is LOW Both devices must share a common ground Power each device via its own USB connection ...