QTPy49

Features

• CPU choices are
  • Adafruit QT Py - SAMD21 Dev Board
  • Seeeduino XIAO
  • Adafruit QT Py RP2040
  • Seeed XIAO RP2040
• Socketed CPU
• Headers
  • DC Power
  • AD0-AD3 GVS
  • I2C
  • TX/RX
  • SPi
• Power input
  • 7-12V
  • 5V
• 49x49mm ODAS form factor
• (4) 4-40 mounting holes

Connectors

• Ground, Voltage, Signal (GVS) connections

J1 - DC In

• 7-12V
• Center positive

J2 - Short Regulator

• Install if J1 has 5V
• No need to install U2 regulator

J3 - SPI

1. GND
2. 3.3V
3. SS, AD3
4. MOSI, S10
5. MISO, D9
6. SCK, D8

J4 - UART

1. GND
2. 3.3V
3. TX, D6
4. RX, D7

J5 - I2C

1. GND
2. 3.3V
3. D4, SDA
4. D5, SCL

J6 - AD3

• Digital I/O 3
• Analog In 3
• PWM output
• Capacitive touch input
• Pinout

1. GND
2. 3.3V
3. AD3

J7 - AD2

• Digital I/O 2
• Analog In 2
• PWM
• Capacitive touch input
• Pinout

1. GND
2. 3.3V
3. AD2

J8 - AD1

• Digital I/O 1
• Analog In 1
• Capacitive touch input
• AREF pin
• Pinout

1. GND
2. 3.3V
3. AD1

J9 - AD0

• Digital I/O 0
• Analog In 0
• True analog output with 10 bit precision
• Does not have PWM
• Capacitive touch input
• Pinout

1. GND
2. 3.3V
3. AD0

Prototype

• Built on GRID49 card

Mechanicals

Assembly Sheet

• QTPy49 Rev 1 Assembly Sheet