# MCP23017 modules

- Category: Interface modules > GPIO expanders & multiplexers
- Also known as: I2C接口扩展板, IIC扩展板, MCP23017, MCP23017 16-Channel I2C I/O Expansion Module, MCP23017 I/O Expansion Board, MCP23017 I/O Expansion Module, MCP23017 I/O扩展模块, MCP23017 IO Expansion Board
- Product page: https://partlark.xyz/p/c-mcp23017-modules-14eab20d5b

## Details

- Identified as: MCP23017

## Listings

Cached marketplace data: goods prices in CNY, freight, taxes and fees excluded. Prices, stock and options can change; confirm on the listing before ordering.

### 1. tp\_member (1688)

- Price: ¥7.50 per item
- Listing status: listed; details checked 2026-11-03
- Marketplace listing: https://detail.1688.com/offer/991756072027.html
- Order via Superbuy (affiliate link): https://www.superbuy.com/en/page/buy/?platform=ALIBABA&id=991756072027&partnercode=EU3LLB&trackPayload=pc_share
- Matching options (PartLark variant links for the haul or bulk add):
  - MCP23017-E/SS module (option price ¥7.50, stock 8044, best pick): https://partlark.xyz/p/c-mcp23017-modules-14eab20d5b/variant?listing=1536&sku=5959124036586

### 2. 微雪电子waveshare代理店 (Taobao)

- Price: ¥34.68 per item
- Listing status: listed; details checked 2026-11-13
- Marketplace listing: https://item.taobao.com/item.htm?id=579120966088
- Order via Superbuy (affiliate link): https://www.superbuy.com/en/page/buy/?platform=TB&id=579120966088&partnercode=EU3LLB&trackPayload=pc_share
- Matching options (PartLark variant links for the haul or bulk add):
  - MCP23017 IO Expansion Board (option price ¥34.68, stock 160, best pick): https://partlark.xyz/p/c-mcp23017-modules-14eab20d5b/variant?listing=30326&sku=5118665402884

## Ordering

Paste one or more variant links (one per line) into https://partlark.xyz/basket/bulk-add to add them to a haul. Matches are checked automatically and are not a guarantee of compatibility.