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： SpotPear BG95-M3-Zero QuecPython EVB development support LTE/EGPRS and GNSS ESP32 C3 1.44inch LCD NVIDIA Jetson Xavier NX AI 21TOPS Supercomputer Edge Computing eMMC-16GB RAM 8/16GB Install Espressif IDF Plugin Tutorial User Guide Raspberry Pi Pico HDMI 240x280 Raspberry Pi 5 27W RP204 0.85inch LCD Argon Neo 5 ESP32-P4 ESP32-C6 Development Board RISC-V WiFi6 MIPI CSI Camera 7/10.1 inch DSI Display /RJ45 Ethernet /Mic /Audio Size Compatible with Raspberry Pi Raspberry Pi MLX90641 1.3inch LCD DDSM115 Direct Drive Servo Motor All-In-One Design Hub RS485 Motor Raspberry Pi 3.7 inch e-Paper link (G) RYBW 416x240 For Arduino / Jetson Nano / STM32 8inch LCD 1280x800 Computer PC Monitor Display Secondary Screen TypeC USB CPU RAM Raspberry Pi UPS Template: Pico-get-start SpotPear Raspberry Pi

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