# U031-B M5Stack Technology Co., Ltd. | Development Boards, Kits, Programmers | DigiKey

**Manufacturer:** M5Stack Technology Co., Ltd  
**Brand:** M5Stack Technology Co., Ltd.  
**MPN:** `U031-B`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | M5Stack Technology Co., Ltd. |
| Manufacturer name | M5Stack Technology Co., Ltd. |
| Manufacturer | M5Stack Technology Co., Ltd. |
| Extra Product Name | U031-B M5Stack Technology Co., Ltd. \| Development Boards, Kits, Programmers \| DigiKey |
| atoms | 1 |
| extraShipping | 0 |
| moq | 1 |
| MPN | U031-B |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 15965508 |
| snippet | WS1850S RFID Reader RF M5Stack Platform Evaluation Expansion Board |
| Category | Development Boards, Kits, Programmers |
| Mfr | M5Stack Technology Co., Ltd. |
| Series | - |
| Package | Box |
| Product Status | Active |
| Platform | M5Stack |
| Type | RF |
| Function | RFID Reader |
| Utilized IC / Part | WS1850S |
| Contents | Board(s), Cable(s) |
| Suggested Programming Environment | Arduino, Blockly, Python, UIFlow |
| Interconnect System | Grove, HY2.0-4P |
| Note | - |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 15965508 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/227000000/227116000/part_--U031B---M5StackTechnologyCoLtd--f6c09f0836.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp