MAX7219 matrix led clock with alarm using Arduino

another NTP clock on 8x32 addressable leds (5)

NTP clock with DST on ST7789 display

Control four i2c OLED displays with same adress (0x3c) - 2

NTP clock with 7-segment numbers on 4 OLED displays (3)

ESP8266 Weather Station Color

NTP clock with Wemos D1 on ILI9341 TFT display (3)

NTP clock with Wemos D1 on ILI9341 TFT display (2)

NTP clock with 7-segment numbers on 4 OLED displays and round led clock (4)

thermometer and hygrometer with GY-21 on OLED display (3)

ceas NTP pe afisaj led 16x8 cu TM1640 (3)

scrolling text on HT16K33 14-segment led display

analog NTP clock with ESP32 and P3 64x64 led display (4)

analog NTP clock with ESP32 and P3 64x64 led display (3)

analog NTP clock with ESP32 and P3 64x64 led display (2)

analog NTP clock with ESP32 and P3 64x64 led display (1)

ceas analogic NTP pe afisaj P3 64x64 cu ESP32 (1)

NTP clock on OLED display

NTP clock with webcontrol on MAX7219 7-segment led display (2)

NTP clock with webcontrol on MAX7219 7-segment led display (1)

NTP clock with webcontrol on TM1637 led display (6)

NTP clock on TM1637 led display (12-hour format)

NTP clock on TM1637 led display

intelligent lights for lobby or railing (4)

12/24-h format RTC clock with manual adjust, date, alarm & temperature (1)