A math practice toy

A math toy for kids built up part by part: a 16x2 LCD, mixed questions and scoring, a 128x64 graphics display, and an ESP8266 clock with NTP time and auto-dimming.

4 parts · 2019-05-19 → 2019-11-17

1. Part 1Plus and minus on a 16x2 LCD2019-05-19
2. Part 2Mixed questions and a score system on the Nano2019-06-22
3. Part 3A 128x64 graphics LCD and bigger fonts2019-09-08
4. Part 4WiFi clock, NTP time and auto-dimming on ESP82662019-11-17

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