Uploaded March 2024 | Updated September 2026, 2 weeks ago

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Follow and contact me on Instagram : instagram.com/utehstr
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ARDUINO IDE + ESP32 + MAX7219 LED Matrix 32x8 Module + DS3231 RTC Module.

Digital Clock with ESP32, MAX7219 LED Matrix 32x8 Module, DS3231 RTC Module and Interface Page for Settings.

Software used :
- Arduino IDE (V1.8.9).
- Arduino Core for The ESP32 (V1.0.6).
- Notepad++ (V8.4.6).

Arduino libraries used :
- MD_MAX72XX (V3.3.0) by majicDesigns.
- MD_Parola (V3.5.6) by majicDesigns.
- RTClib (V1.2.0) by Adafruit.

Hardware used :
- ESP32 DEVKIT V1.
- MAX7219 LED Matrix 32x8 FC-16 Module.
- DS3231 RTC Module.
- And other equipment such as cables, power supplies and others.

Timestamp :
00:00 Opening
00:32 Project Preview
03:36 Modules used to create this project
04:01 Installation image
04:11 Step 1 - Test installation of MAX7219 LED Matrix with ESP32 (Code)
06:28 Step 1 - Test installation of MAX7219 LED Matrix with ESP32 (Demo)
06:48 Step 2 - Test installation of DS3231 RTC Module with ESP32 (Code)
09:07 Step 2 - Test installation of DS3231 RTC Module with ESP32 (Demo)
09:50 Step 3 - Digital Clock (Code)
11:48 Step 3 - Digital Clock with Clock Display MODE 1 (Demo)
13:01 Step 3 - Digital Clock with Clock Display MODE 2 (Demo)
14:03 Step 3 - Digital Clock with Clock Display MODE 3 (Demo)
15:08 Step 4 - Reformat the Flash Memory on the ESP32
16:12 Step 5 - Digital Clock with Interface Page for Settings - SM (Code)
19:49 Step 5 - Digital Clock with Interface Page for Settings - SM (Demo)
24:02 Step 6 - Digital Clock with Interface Page for Settings - APM (Code)
27:49 Step 6 - Digital Clock with Interface Page for Settings - APM (Demo)
29:26 Closing

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Download Arduino Code and other files : drive.google.com/file/d/1pGhJZW14yXfXRwTAwX3KjSeXVJOKvQ4z/view?usp=sharing

The code file is saved in the .rar file format. I created a .rar file using Winrar V5.50, so to extract it, make sure you use the same version of Winrar that I use or the latest version or use the winrar extractor online.
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SORRY IF MY ENGLISH IS CONFUSING, I USE AN ONLINE TRANSLATOR.

THANKS FOR WATCHING & DON'T FORGET TO LIKE , SHARE, COMMENT AND SUBSCRIBE.

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For other video tutorials on this channel, please see this playlist:

- Basic4Android (B4A) Tutorials : youtube.com/watch?v=-BIq32-qEgA&list=PLnXsmScWzcm6RVlhPM7qg_OJ2N8OpV99d
- Electronics Tutorials : youtube.com/watch?v=rLdsWt6EP6w&list=PLnXsmScWzcm766h5Dn4AJjbJRzDfCPh4h
- Arduino Tutorials : youtube.com/watch?v=A3_EBZqCG5s&list=PLnXsmScWzcm48hvcTTRAUFcP5Fjd4u8cS
- Great Cow Basic Tutorials : youtube.com/watch?v=orHrLmEvp0o&list=PLnXsmScWzcm7xejzacm5cKJMIh_tXXxN8
- Bascom Avr Tutorials : youtube.com/watch?v=JYKSkNQq9eM&list=PLnXsmScWzcm6F9gX1wYenqjKdqVSM7d6B
- VB .NET Tutorials : youtube.com/watch?v=Sy2vjWO0ydM&list=PLnXsmScWzcm4g8AWEJ6WXVUOBh_cWF5_z
- LoLin NodeMCU V3 ESP12E ESP8266 Tutorials : youtube.com/watch?v=8jMr94B8iN0&list=PLnXsmScWzcm5MERfTvcUNKsYhOUGKe3-V
- ESP32 Tutorials : youtube.com/watch?v=To3TIOFX6cA&list=PLnXsmScWzcm7Y5yCDItJP5Kny_MJ8DeDD
- ESP32 CAM Tutorials : youtube.com/watch?v=_5VmYJZI4XI&list=PLnXsmScWzcm6HjC0CIfVmRG1855tjhj5z
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- Download Arduino IDE : arduino.cc/en/Main/Software
- Download Notepad++ : notepad-plus-plus.org/downloads
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Reference :
- LED Dot Matrix Display with ESP32 and MAX7219 : microcontrollerslab.com/led-dot-matrix-display-esp32-max7219
- ESP32 LED MATRIX : esp32io.com/tutorials/esp32-led-matrix
- Library for modular scrolling LED matrix text displays : github.com/MajicDesigns/MD_Parola
- Parola A to Z – Multi Zone Displays : arduinoplusplus.wordpress.com/2017/04/18/parola-a-to-z-multi-zone-displays
- MDParolaFontEditor : pjrp.github.io/MDParolaFontEditor
- Clock_NTP_ESP32 : github.com/stechiez/iot_projects/tree/master/Clock_NTP_ESP32
- ESP32 & DS3231 Based Real Time Clock (RTC) on OLED : how2electronics.com/esp32-ds3231-based-real-time-clock
- CSS Forms : w3schools.com/css/css_form.asp
- HTML input type password : w3schools.com/tags/att_input_type_password.asp
- ESP32 Save Data Permanently using Preferences Library : randomnerdtutorials.com/esp32-save-data-permanently-preferences
- JavaScript Timing Events : w3schools.com/js/js_timing.asp

and from several other sources.
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