The Sunplus Buddy System user manual provides specifications, wiring diagrams, and operation instructions for the LED keyboard module.
The Buddy System is an LED keyboard module designed for use with any micro‑controller. This manual describes its features, hardware layout, and how to connect it to a development board such as the 61 board.
The module includes a 6‑digit 8‑segment display, eight status LEDs, eight programmable keys, and a potentiometer for analog voltage output. Detailed circuit diagrams, component lists, and a self‑test procedure are provided to help users integrate and verify the module in their projects. This manual is written in Chinese.
| Supply voltage | DC5V (optional DC3.3V) |
|---|---|
| Display | 6‑digit 8‑segment LED, max 999999 |
| Status LEDs | 8 LEDs |
It is powered from a DC5 V source, and can also operate from DC3.3 V if needed.
It drives a 6‑digit, 8‑segment LED display capable of showing numbers up to 999 999.