QTPy49
Features
- CPU choices are
- Socketed CPU
- Connectors/Headers
- DC Power
- AD0-AD3 GVS
- I2C with ground/VCC
- TX/RX with ground/VCC
- SPI with ground/VCC
- QTPy49 can be powered from with either the USB C or DC jack
- Automatic Schottky diode power switching
- 5V from USB C
- 5V on external DC jack
- 7-12V on DC jack
- 49x49mm ODAS form factor
- (4) 4-40 mounting holes
CPU Pinouts
Adafruit QT Py SAMD
Seeed Studio XAIO SAMD
Adafruit QT Py RP2040
Seeed Studio XAIO RP2040
Connectors/Headers
- Ground, Voltage, Signal (GVS) connections
J1 - DC In
- QTPy49 can be powered from with either the USB C or DV jack
- Automatic Schottky diode power switching
- 7-12V
- Center positive
J2 - Short Regulator
- Install if J1 has 5V
- No need to install U2 regulator
J3 - SPI
- GND
- 3.3V
- SS, AD3
- MOSI, S10
- MISO, D9
- SCK, D8
J4 - UART
- GND
- 3.3V
- TX, D6
- RX, D7
J5 - I2C
- GND
- 3.3V
- D4, SDA
- D5, SCL
J6 - AD3
- Digital I/O 3
- Analog In 3
- PWM output
- Capacitive touch input
- Pinout
- GND
- 3.3V
- AD3
J7 - AD2
- Digital I/O 2
- Analog In 2
- PWM
- Capacitive touch input
- Pinout
- GND
- 3.3V
- AD2
J8 - AD1
- Digital I/O 1
- Analog In 1
- Capacitive touch input
- AREF pin
- Pinout
- GND
- 3.3V
- 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
- GND
- 3.3V
- AD0
Prototype
- Built on GRID49 card
- Breaks out QY Py pins to (2) 1x7 headers
- Power/ground distribution on 2x8 header
- Limit: Must be powered from USB C connector