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  1. Parts
  2. /Boards
  3. /Other MCU boards

Adafruit CH552 QT Py - 8051 Dev Board with STEMMA QT

OverviewWiringAlternates
Adafruit CH552 QT Py - 8051 Dev Board with STEMMA QT - Adafruit - 5960
Availability
In stock
Parts tray full · 5 max · remove a part to add another
Adafruit CH552 QT Py - 8051 Dev Board with STEMMA QT — Adafruit — 5960

Offers

  • Adafruit$4.95
  • ?DigiKey$4.95
  • ?OpenCircuit€7.00

Offers

  • Adafruit$4.95
  • ?DigiKey$4.95
  • ?OpenCircuit€7.00

Pinout

Logical pinout · physical placement not verified
ADAFRUIT CH552 QT PY -USB-C portMIMISOP1.63VA0P1.1GNDA1P1.45VA3P3.2SCLP3.3NeoPixelP1.0SDAP3.4Reset buttonRXP3.0BOOT buttonP3.6D+TXP3.1STEMMA QT connectorSCKP1.7
  • USB-C port
    Type · Power
  • 3V
    Type · Power
  • GND
    Type · Ground
  • 5V
    Type · Power
  • SCLP3.3
    Type · I2C
  • SDAP3.4
    Type · I2C
  • RXP3.0
    Type · UART
  • TXP3.1
    Type · UART
  • SCKP1.7
    Type · SPI
  • MIMISOP1.6
    Type · SPI
  • A0P1.1
    Type · Analog
  • A1P1.4
    Type · Analog
  • A3P3.2
    Type · Analog
  • NeoPixelP1.0
    Type · Unknown
  • Reset button
    Type · Control
  • BOOT buttonP3.6D+
    Type · USB, Control
  • STEMMA QT connector
    Type · Unknown
PinType
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
Logical pinout · physical placement not verified
ADAFRUIT CH552 QT PY -USB-C portMIMISOP1.63VA0P1.1GNDA1P1.45VA3P3.2SCLP3.3NeoPixelP1.0SDAP3.4Reset buttonRXP3.0BOOT buttonP3.6D+TXP3.1STEMMA QT connectorSCKP1.7

Pin details

17 connections
  1. USB-C port
    Power
  2. 3V
    Power
  3. GND
    Ground
  4. 5V
    Power
  5. SCLP3.3
    I2C
  6. SDAP3.4
    I2C
  7. RXP3.0
    UART
  8. TXP3.1
    UART
  9. SCKP1.7
    SPI
  10. MIMISOP1.6
    SPI
  11. A0P1.1
    Analog
  12. A1P1.4
    Analog
  13. A3P3.2
    Analog
  14. NeoPixelP1.0
    Unknown
  15. Reset button
    Control
  16. BOOT buttonP3.6D+
    USB, Control
  17. STEMMA QT connector
    Unknown

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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