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Using an HT16K33 4-Digit Seven-Segment Display with an ESP8266 NodeMCU and D1 Mini

Using this code shown in the video, we built a digital clock using a seven-segment display with an HT16K33 module and a DS1307 real-time clock module with Arduino.

Introduction to HT16K33

Images

Digital clock with HT16K33 ESP8166: main

Digital clock with HT16K33 ESP8166: NodeMCU shows float

Digital clock with HT16K33 ESP8166: D1 Mini float value

Digital clock with HT16K33 ESP8166: NodeMCU shows HEX value

Digital clock with HT16K33 ESP8166: D1 Mini shows hex value

Digital clock with HT16K33 ESP8166: main

Digital clock with HT16K33 ESP8166: NodeMCU shows float

Digital clock with HT16K33 ESP8166: D1 Mini float value

Digital clock with HT16K33 ESP8166: NodeMCU shows HEX value

Digital clock with HT16K33 ESP8166: D1 Mini shows hex value