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： ESP32-C3 1.47 inch LCD Display Development Board 1.47inch Screen SD 172×320 Raspberry Pi Camera 8MP IMX415 also For Luckfox-Omni3576 RK3576 Raspberry Pi Pico 2 RP2350 ETH CH9120 TCP/UDP Ethernet Network For Arduino Industrial Grade ETH Ethernet 8-Channel Relay Module ESP32 C3 ESP32 S3 Development Board 4 inch LCD Capacitive Touch Screen 4inch Display 480×480 N16R8 Raspberry Pi IR Array Thermal Imaging Camera Far infrared 80×62 Pixels 45/90 Degree FOV CH340 driver Raspberry Pi Autofocus Camera ESP32 P4 Development Board 7inch Display 7 inch TouchScreen Onboard ESP32-C6 Camera 1024×600 ESP32‑S3 LoRa Development Board with LR1121 3rd Generation RF Chip USB Stamp Hole Raspberry Pi 24.5 inch Type C/HDMI 2K Display 24.5inch Screen 2560x1440 Computer PC Phone For Xbox/PS4/Switch ESP32-S3 Industrial 8-Channel Controller with WiFi Bluetooth CAN IoT RS485 and RJ45 ETH POE WIFI Configuration Jetson Nano 128x128 Milk-V ESP32‑S3 13.3-inch E6 Full-Color E-Ink e-Paper Display Raspberry Pi display DeepSeek AI Voice Chat ESP32 S3 Development Board 1.83 inch TouchScreen Display 240x284

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