Dot-Matrix-(A)-DIY User Guide

【User Guide】

1、Press the power switch to turn on.

【Functional interface settings】

Key1 button toggles the display.

After powering on and displaying the logo, press key1 to switch to the default hourglass display interface with a one-minute timer.

Press key1 again to enter time setting mode. The time unit is minutes (maximum 99 minutes, minimum 1 minute). The minimum value displayed can be 00, but pressing key1 will still set it to 1 minute.

It cannot save settings after power failure; you need to reset it after powering on.

-Key1 is used to enter settings and to switch displays after saving the settings.

-Key2 toggles between units and tens digits.

-Key3 is for increasing the number

-Key4 is for reducing numbers

【Schematic diagram】

Dot-Matrix-(A)

TAG： Raspberry Pi Pico 2 RP2350 USB A Development Board RP2350A Raspberry Pi 5 inch (B) DSI MIPI LCD TouchScreen Display 5inch 720x1280 For Luckfox Lyra RK3506/ESP32-P4/Luckfox Omni3576 ESP32‑S3 13.3-inch E6 Full-Color E-Ink e-Paper Display Arduino Thermal imaging Sipeed NanoCluster Mini Cluster Board mini data center For Raspberry Pi CM45 / Computer /LM3H /M4N Changeable Photo Industrial Grade ETH Ethernet 8-Channel Relay Module Arduino 1.54inch OLED Arduino MEGA2560 R3 Arduino Thermal imaging camera Raspberry Pi 5 PCIe TO Gigabit ETH USB3.2 HAT+ USB HUB JETSON-IO-BASE-A user Guid Raspberry Pi Pico 2 RP2350 1.28 inch Round LCD TouchScreen Development Board 240x240 Display QMI8658 6-Axis $17.9 Raspberry Pi Pico GNSS expansion board L76K GPS Beidou (BDS) GLONASS QZSS A-GNSS For RP2040/RP2350 Raspberry Pi Pico Camera RS232 to CAN X1201 Raspberry Pi 5 UPS Board Uninterruptible Power Supply For 18650-Li-Battery (NOT includ) ESP32-S3 3.49-inch Development Board DeepSeek AI Chat Box 3.49inch LCD Capacitive TouchScreen Display 172×640 N16R8 SpotPear ESP32-S3 AI Voice Images Chat Robot Electronic PhotoPainter Frame E-Paper Ink Screen 7.3-inch E6 Full-Color Deepseek Development Board

Cyberpunk LED Matrix Hourglass Gravity Sensor DIY Countdown Timer Clock STEM Educational Soldering Project for Beginners & Adult