← All parts
Itsybitsy Esp32
AdafruitESP32 V2 03 Dual Core 240MHz Xtensa
A powerful processor board with 8 MB Flash and 2 MB PSRAM, featuring an ESP32 module, USB to serial converter, power regulator, buttons, NeoPixel LED, and STEMMA QT connector.
In stock
Specifications
7- Operating Voltage
- 3.5V - 6VDC for BAT, 5V for USB power input.
- Logic Level
- 3.3V
- Flash
- 8 MB
- Ram
- 2 MB PSRAM
- Gpio Count
- 20
- Dimensions
- 13 x 12 mm
- Connectivity
- I2C, SPI, UART, USB to Serial Converter
Pinout
27| Pin | Name | Functions | Notes |
|---|---|---|---|
| BAT | battery input | POWER | Battery input for an alternative power source |
| G | ground | GND | Ground for power and data |
| USB | 5V USB power pin | POWER | Output to get 5V power from the USB port |
| Rst | reset | GND | Reset pin. Tie to ground to manually reset the board |
| 3.3V | regulated output | POWER | Regulated 3.3V output from the onboard regulator |
| EN | regulator enable | GND | Enable pin for the regulator |
| VHi | high voltage output | POWER | Dual-Schottky diode connected output from BAT and USB. Always has power output. |
| A0 | analog input 25 | ADC | 8-bit analog output (DAC1) |
| A1 | analog input 26 | ADC | 8-bit analog output (DAC2) |
| A2 | analog input 4 | PWMADC | One of the capacitive touch pins |
| A3 | analog input 38 | ADC | Input/ADC only. One of the capacitive touch pins |
| A4 | analog input 37 | ADC | Input/ADC only. One of the capacitive touch pins |
| A5 | analog input 36 | ADC | Input/ADC only. One of the capacitive touch pins |
| SCK | SPI clock | SPI | SPI clock pin |
| MOSI | SPI microcontroller out | SPI | SPI Microcontroller Out / Serial In (MOSI) |
| MISO | SPI microcontroller in | SPI | SPI Microcontroller In / Serial Out (MISO) |
| D13 | digital 13 | PWMADC | Shared with the built-in LED. One of the capacitive touch pins |
| D12 | digital 12 | PWMADC | One of the capacitive touch pins |
| D14 | digital 14 | PWMADC | One of the capacitive touch pins |
| D33 | digital 33 | PWMADC | One of the capacitive touch pins |
| D32 | digital 32 | PWMADC | One of the capacitive touch pins |
| D7 | digital 7 | GPIO | Digital input/output only |
| D5 | digital 5 | PWMGPIO | Level-shifted up to Vhi voltage. Perfect for driving NeoPixels that want a ~5V logic level input |
| SCL | I2C clock | I2C | I2C clock pin. One of the capacitive touch pins |
| SDA | I2C data | I2C | I2C data pin. One of the capacitive touch pins |
| TX | UART transmit | UART | UART TX (transmit) pin. Separate from the 'debug UART' which is connected to the USB-to-Serial converter |
| RX | UART receive | UART | UART RX (receive) pin. Separate from the 'debug UART' which is connected to the USB-to-Serial converter |
Interactive pinout
Highlight:
ESP32 V2 03 Dual Core 240MHz Xtensa
Click a pin to copy its name · tap a tag above to spotlight a bus.