Adafruit CH552 QT Py - 8051 Dev Board with STEMMA QT
Pinout
- USB-C portType · Power
- 3VType · Power
- GNDType · Ground
- 5VType · Power
- SCLP3.3Type · I2C
- SDAP3.4Type · I2C
- RXP3.0Type · UART
- TXP3.1Type · UART
- SCKP1.7Type · SPI
- MIMISOP1.6Type · SPI
- A0P1.1Type · Analog
- A1P1.4Type · Analog
- A3P3.2Type · Analog
- NeoPixelP1.0Type · Unknown
- Reset buttonType · Control
- BOOT buttonP3.6D+Type · USB, Control
- STEMMA QT connectorType · Unknown
| Pin | Type |
|---|---|
| USB-C port | Power |
| 3V | Power |
| GND | Ground |
| 5V | Power |
| SCLP3.3 | I2C |
| SDAP3.4 | I2C |
| RXP3.0 | UART |
| TXP3.1 | UART |
| SCKP1.7 | SPI |
| MIMISOP1.6 | SPI |
| A0P1.1 | Analog |
| A1P1.4 | Analog |
| A3P3.2 | Analog |
| NeoPixelP1.0 | Unknown |
| Reset button | Control |
| BOOT buttonP3.6D+ | USB, Control |
| STEMMA QT connector | Unknown |
Pin details
17 connections- USB-C portPower
- 3VPower
- GNDGround
- 5VPower
- SCLP3.3I2C
- SDAP3.4I2C
- RXP3.0UART
- TXP3.1UART
- SCKP1.7SPI
- MIMISOP1.6SPI
- A0P1.1Analog
- A1P1.4Analog
- A3P3.2Analog
- NeoPixelP1.0Unknown
- Reset buttonControl
- BOOT buttonP3.6D+USB, Control
- STEMMA QT connectorUnknown
Start wiring
USB · 3.3 V
Confirm the data interface matches your host board.
Module pins: 3V, 5V, GND, SCL / P3.3, SDA / P3.4, RX / P3.0, TX / P3.1, SCK / P1.7. Schematik maps them to your board in the app.
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