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Itsybitsy Nrf52840 Express
AdafruitnRF52840
A compact microcontroller board with Bluetooth LE support and a fast Cortex M4 processor.
In stock
Specifications
8- Operating Voltage
- 3.3V (3.0-3.6V recommended) / 5V tolerant digital IOs with level shifters.
- Logic Level
- 3.3V
- Clock Speed
- 64 MHz
- Flash
- 1 MB Flash memory
- Ram
- 256 KB RAM
- Gpio Count
- 21
- Dimensions
- 1.4" x 0.7" inches
- Connectivity
- Bluetooth LE, USB (native)
Pinout
33Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | Vhigh | POWER | Special Vhigh output pin for NeoPixels, servos |
| 2 | GPIO0 | GPIO | |
| 3 | GPIO1 | GPIO | |
| 4 | GPIO2 | GPIO | |
| 5 | GPIO3 | GPIO | |
| 6 | GPIO4 | GPIO | |
| 7 | GPIO5 | PWM | |
| 8 | GPIO6 | ADC | |
| 9 | GPIO7 | ADC | |
| 10 | GPIO8 | PWM | |
| 11 | GPIO9 | PWM | |
| 12 | GPIO10 | ADC | |
| 13 | GPIO11 | ADC | |
| 14 | GPIO12 | PWM | |
| 15 | GPIO13 | PWM | |
| 16 | GPIO14 | ADC | |
| 17 | GPIO15 | ADC | |
| 18 | GPIO16 | PWM | |
| 19 | GPIO17 | PWM | |
| 20 | GPIO18 | ADC | |
| 21 | GPIO19 | ADC | |
| 22 | GPIO20 | PWM | |
| 23 | GPIO21 | PWM | |
| 24 | SWDIO | GND | Serial Wire Debug |
| 25 | SWCLK | GND | Serial Wire Debug |
| 26 | GPIO24 | PWM | |
| 27 | GPIO25 | ADC | |
| 28 | GPIO26 | PWM | |
| 29 | GPIO27 | PWM | |
| 30 | GND | GND | |
| 31 | VCC | POWER | 3.3V power |
| 32 | GPIO30 | PWM | |
| 33 | GPIO31 | ADC |
Interactive pinout
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nRF52840
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