HOjYGa3U

Basic 552G_17 Wired Single-Mode Numeric Keypad

Overview

Wired low-cost numeric keypad (original author link: https://oshwhub.com/yANgZEN/zui-gai-shuo-zi-jian-pan).

Made using the Qinheng CH552G chip. PCB dimensions are available for free (you know what I mean).

Two modified versions based on the original author's work :
V1
board supports soldering and hot-swapping, supports single-color lighting, uses 3528 reverse-mount LEDs
modified to Type-C connector; RESET button removed, replaced with pin header.

V2 board
modified for hot-swapping + 1206 reverse-mount single-color LEDs,
replaced with Type-C connector;
RESET button removed, replaced with pin header.

Shell file: https://makerworld.com/zh/models/236647
Taobao link: https://item.taobao.com/item.htm?id=707823715512&spm=a1z10.1-c.w4004-23039057255.6.7637554cEMGHxa&sku_properties=122216346:21959;122216808:10491261;211004089:22770294353

Design Files

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Update:2026-03-26 17:36:19

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