Uploaded December 2014 | Updated September 2026, 1 week ago

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WiFi controlled seven segment display using the ESP-03 and a shift register. I use the awesome NodeMCU firmware. No Arduino involved.

Schematic:
youtube.com/watch?v=NLZYo9v5oDY&index=9&list=PL-xZsBalytNAFgyiDI8_lwXyeVE3R4hpx

Code:
youtube.com/watch?v=Iw2ay7jhxIc&index=10&list=PL-xZsBalytNAFgyiDI8_lwXyeVE3R4hpx