# Adafruit Grove to STEMMA QT Cable 100 mm

> Adafruit 4528 Grove to STEMMA QT cable, 100 mm: JST SH 4-pin (1 mm, STEMMA QT / Qwiic) on one end and a Seeed Grove 4-pin connector on the other; black GND, red V+, blue SDA, yellow SCL. Joins Grove I2C sensors to STEMMA QT / Qwiic hosts and back; mind the 3 V limit of Qwiic boards.

- Manufacturer: Adafruit Industries
- Part number: 4528
- Category: Cables & harnesses
- Canonical page: https://www.xirkit.io/products/adafruit-grove-to-stemma-qt-cable-100-mm-b07f
- Pinout: https://www.xirkit.io/products/adafruit-grove-to-stemma-qt-cable-100-mm-b07f/pinout
- Structured JSON: https://www.xirkit.io/products/adafruit-grove-to-stemma-qt-cable-100-mm-b07f/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Cable type | adapter |
| Ecosystem | STEMMA QT / Qwiic ↔ Seeed Grove |
| Connector A | JST SH 4-pin female, 1 mm pitch (STEMMA QT / Qwiic) |
| Connector B | Grove 4-pin connector |
| Conductors | 4 |
| Connector pitch | 1 mm |
| Length | 100 mm |

## Pinout (4 pins, 0 with electrical limits)

| Pin | Position | Kind | Chip pad | Functions | VIH | VIL | VOH | VOL | IOH | IOL | 5 V tolerant |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| GND | SH-1 | ground | — | ground | — | — | — | — | — | — | — |
| V+ | SH-2 | power | — | v+ | — | — | — | — | — | — | — |
| SDA | SH-3 | i2c sda | — | sda | — | — | — | — | — | — | — |
| SCL | SH-4 | i2c scl | — | scl | — | — | — | — | — | — | — |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| www.adafruit.com | 1.95 USD | out_of_stock | 2026-10-01 | https://www.adafruit.com/product/4528 |

## FAQ

**How much does the Adafruit Grove to STEMMA QT Cable 100 mm cost?**

From $1.95 at www.adafruit.com. Prices are observed unit prices before tax and shipping.

**Where does this Adafruit Grove to STEMMA QT Cable 100 mm data come from?**

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

## Sources

- [Adafruit Grove to STEMMA QT Cable 100 mm datasheet](https://www.adafruit.com/product/4528)
- [www.adafruit.com listing](https://www.adafruit.com/product/4528)

## Part graph

### Alternatives (by use case)

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