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
Related Links
- Introduction to HT16K33
- Introduction to ESP8166 NodeMCU
- Introduction to the ESP8266 D1 Mini
- Introduction to HT16K33 4-digit seven-segment
- HT16K33 library (from GitHub)
- Download DS3231 library ZIP file (from GitHub.com)
- DS3231 datasheet (PDF)
- Melexis Official Website
- Robojax Crash Course on Arduino: Learn Arduino in 30 Minutes (code and video)
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