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 Tiny RP2350B RP2350-Linux Mini Development Board with PSRAM-8MB Or Without PSRAM Pi5 Fan Milk V Duo Raspberry Pi Camera OV5647 Camera (F) ESP32 C6 Development board 1.9 inch LCD display 1.9inch Screen 172×320 With SD slot RGB LED QMI8658 6-Axis-Sensor ST7789 CST816 ESP32-S3 1.28inch Round LCD Display Screen Module Development Board GC9A01A QMI8658A With Case Milk-V Duo S Usage of USB Type A interface Arduino Thermal imaging camera Milk V Duo UART RoArm M2 4 DOF High Torque Serial Bus Servo ROS2 WIFI ESP NOW UART USB ST3235 QMI8658C For ESP32 ESP32-S3 Development Board 1.47 inch LCD Screen Display 172x320 SD-Port LVGL USB Raspberry Pi 7 inch QLED Quantum Dot Display 1024x600 Capacitive Touchscreen For Computer PC/Jetson/Game Raspberry Pi 5 Night Camera 5inch PCIe M.2 NVMe Dual SSD Desktop Sipeed Lichee Tang Nano1K FPGA MINI Development Board GW1NZ-1 ESP32 wide dynamic range Raspberry Pi 7inch DSI

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