The latest solution comes courtesy of [Keilin Bickar], who’s using the ESP8266 and a serial TTL camera module to read the characters from the LCD of his water meter. With a 3D printed enclosure ...
The latest is this water meter monitoring device based on a Raspberry Pi Pico. The clever thing here isn’t so much that it’s based on the tiniest of Raspberry Pis, but how it keeps track of ...