ESP8266 development boards like the Wemos D1 Mini and NodeMCU are an excellent way to ... His 3D printed design uses pogo pins to securely connect to the board’s castellated edges, which also ...
In the old days, spies eavesdropped on each other using analog radio bugs ... Enter the ESP8266 and some programming wizardry. [Sebastian] is using a NodeMCU but suggests that it could be pared ...
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