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Adafruit QT Py CH32V203 Dev Board with STEMMA QT

ADA5996 · AdafruitActive

Adafruit QT Py CH32V203 Dev Board with STEMMA QT photo
Adafruit QT Py CH32V203 Dev Board with STEMMA QT illustration

Adafruit product #5996 — built on CH32V203. Interfaces: I2C.

Part numberADA5996
ManufacturerAdafruit
CategoryDevelopment Boards › Other ARM & RISC-V Boards
Pins28

Adafruit QT Py CH32V203 Dev Board with STEMMA QT pinout

PinNameTypeDescription
1A0bidirectional
2A0bidirectional
3+5Vpower
4+5Vpower
5A1bidirectional
6A1bidirectional
7GNDground
8GNDground
9A2bidirectional
10A2bidirectional
113.3Vpower
123.3Vpower
13A3bidirectional
14A3bidirectional
15MOSIbidirectional
16MOSIbidirectional
17SDAbidirectional
18SDAbidirectional
19MISObidirectional
20MISObidirectional
21SCLbidirectional
22SCLbidirectional
23SCKbidirectional
24SCKbidirectional
25TXbidirectional
26TXbidirectional
27RXbidirectional
28RXbidirectional

Schematic symbol and footprint

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Footprint: Adafruit QT Py CH32V203 (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Where to buy

SupplierStockPriceStatus
Mouser18$4.95 (1+)View
DigiKey61$4.95 (1+)ActiveView

Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.

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