# DFR0521 development boards

- Category: Development boards > Other development boards
- Also known as: Boson expansion board, DFR0521, DFRobot micro:bit Boson Expansion Board (Gravity Compatible), Gravity扩展板, micro:bit Boson expansion board, micro:bit Boson扩展板
- Product page: https://partlark.xyz/p/c-dfr0521-development-boards-94c4415a80

## Details

- Identified as: DFR0521

## 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. DFRobot官方品牌店 (Taobao)

- Listing price: ¥50.00 (option and pack size unconfirmed)
- Listing status: listed; details checked 2026-11-12
- Marketplace listing: https://item.taobao.com/item.htm?id=558692699454
- Order via Superbuy (affiliate link): https://www.superbuy.com/en/page/buy/?platform=TB&id=558692699454&partnercode=EU3LLB&trackPayload=pc_share

## 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.