Skip to content

Adafruit CH552 QT Py - 8051 Dev Board with STEMMA QT

Parts › Development Boards › SAMD / SAM Boards

ADA5960 · AdafruitActive

Adafruit CH552 QT Py - 8051 Dev Board with STEMMA QT photo
Adafruit CH552 QT Py - 8051 Dev Board with STEMMA QT illustration

Adafruit product #5960 — built on CH552. Interfaces: I2C.

Part numberADA5960
ManufacturerAdafruit
CategoryDevelopment Boards › SAMD / SAM Boards
Pins28

Adafruit CH552 QT Py - 8051 Dev Board with STEMMA QT pinout

PinNameTypeDescription
1A0/P1.1bidirectional
2A0/P1.1bidirectional
3+5Vpower
4+5Vpower
5A1/P1.4bidirectional
6A1/P1.4bidirectional
7GNDground
8GNDground
9MOSI/A2/P1.5bidirectional
10MOSI/A2/P1.5bidirectional
113.3Vpower
123.3Vpower
13P3.2/A3bidirectional
14P3.2/A3bidirectional
15MOSI/A2/P1.5bidirectional
16MOSI/A2/P1.5bidirectional
17P3.4/SDAbidirectional
18P3.4/SDAbidirectional
19MISO/P1.6bidirectional
20MISO/P1.6bidirectional
21P3.3/SCLbidirectional
22P3.3/SCLbidirectional
23SCK/P1.7bidirectional
24SCK/P1.7bidirectional
25P3.1/TXbidirectional
26P3.1/TXbidirectional
27P3.0/RXbidirectional
28P3.0/RXbidirectional

Schematic symbol and footprint

12345678910111213141516171819202122232425262728
Footprint: Adafruit CH552 QT Py (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Datasheet

Where to buy

SupplierStockPriceStatus
Mouser19$4.95 (1+)View
DigiKey51$4.95 (1+)ActiveView

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

Related parts

Adafruit CRICKIT for Circuit Playground ExpressADA3093
Adafruit Feather M0 AdaloggerADA2796
Adafruit Feather M0 ExpressADA3403
Adafruit Feather M0 RFM69HCW Packet Radio - 868 or 915 MHzADA3176
Adafruit Feather M0 WiFi - ATSAMD21 + ATWINC1500ADA3010
Adafruit Feather M0 with RFM95 LoRa Radio - 900MHzADA3178
Adafruit GEMMA M0 - Miniature wearable electronic platformADA3501
Adafruit Grand Central M4 Express featuring SAMD51ADA4084