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Adafruit QT Py ESP32-S3 WiFi Dev Board with STEMMA QT

ADA5426 · AdafruitActive

Adafruit QT Py ESP32-S3 WiFi Dev Board with STEMMA QT photo
Adafruit QT Py ESP32-S3 WiFi Dev Board with STEMMA QT illustration

Adafruit product #5426 — built on ESP32-S3. Interfaces: I2C.

Part numberADA5426
ManufacturerAdafruit
CategoryDevelopment Boards › ESP32 Boards
Pins14
Frequency2.4 GHz

Adafruit QT Py ESP32-S3 WiFi Dev Board with STEMMA QT pinout

PinNameTypeDescription
1A0bidirectional
2+5Vpower
3A1bidirectional
4GNDground
5A2bidirectional
63.3Vpower
7A3bidirectional
8MOSIbidirectional
9SDAbidirectional
10MISObidirectional
11SCLbidirectional
12SCKbidirectional
13TXbidirectional
14RXbidirectional

Schematic symbol and footprint

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Footprint: Adafruit QT Py ESP32-S3 (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Datasheet

Where to buy

SupplierStockPriceStatus
Mouser340$12.50 (1+)View
DigiKey—$12.50 (1+)ActiveView

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

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