It’s really hard to overstate how awesome ESP8266 development boards like the Wemos D1 Mini really are. For literally a couple of dollars you can get a decently powerful Wi-Fi enabled microco… ...

I actually looked a lot for a way to OCR with ESP8266, but didn’t find anything i could use. Now i don’t need to check the meter so often and it’s so much easier to access, that i don’t ...