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Adafruit QT Py RP2040 W
AdafruitSAMD21E18
A small development board with a SAMD21 microcontroller, featuring I2C, UART, SPI, PWM, analog inputs, and an RGB NeoPixel.
In stock
Specifications
6- Operating Voltage
- 3.3V regulated, 5V USB input with diode protection (not recommended as a power source) [GND] 500mA peak through a diode, but recommend keeping it lower than that, about 500mA [3V] 500mA regulated output from the onboard regulator. V
- Flash
- 256KB KB
- Ram
- 32 KB KB
- Gpio Count
- 11
- Dimensions
- Really, really small
- Connectivity
- Native USB supported by every OS - can be used in Arduino or CircuitPython as USB serial console, MIDI, Keyboard/Mouse HID, even a little disk drive for storing Python scripts.
Pinout
15| Pin | Name | Functions | Notes |
|---|---|---|---|
| 3V | 3V | POWER | 500mA regulated output |
| 5V | 5V | POWER | 1A peak through a diode, but recommend keeping it lower than that, about 500mA |
| GND | GND | GND | |
| A0 / D0 | D0 | GPIOPWMADC | True analog output with 10-bit precision, capacitive touch input |
| A1 / D1 | D1 | GPIOPWMADC | Capacitive touch input or AREF pin |
| A2 / D2 | D2 | GPIOPWMADC | Capacitive touch input or PWM output |
| A3 / D3 | D3 | GPIOPWMADC | Capacitive touch input or PWM output |
| SDA / D4 | D4 | I2C | Can also be a PWM pin, no analog on this pin! |
| SCL / D5 | D5 | I2C | Can also be a PWM pin, no analog on this pin! |
| TX / A6 / D6 | D6 | UART | Transmit (output) for Serial1, can act as PWM or capacitive touch input |
| RX / A7 / D7 | D7 | UART | Receive (input) for Serial1, can act as PWM or capacitive touch input |
| SCK / A8 / D8 | D8 | SPI | Hardware SPI clock pin, can also be a PWM output |
| MOSI / A9 / D9 | D9 | SPI | Hardware SPI MISO microcontroller in serial out pin, can also be a PWM output |
| MISO / A10 / D10 | D10 | SPI | Hardware SPI MOSI microcontroller out serial in pin, can also be a PWM output |
| NeoPixel | D11 | PWM | Connected to digital pin 11 for signal. Pin 12 controls the pixel's power. |
Interactive pinout
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SAMD21E18
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