Adafruit ItsyBitsy ESP32 Development Board
Code name: ADAFRUIT_ITSYBITSY_ESP32
Adafruit ItsyBitsy ESP32 development board is based on esp32 microcontroller and uses xtensa architecture. This board has a maximum CPU frequency of 240 MHz and a flash size of 8MB.
About Adafruit ItsyBitsy ESP32
Small ESP32 board in ItsyBitsy format - ideal for low-power wireless projects in compact enclosures.
Adafruit ItsyBitsy ESP32 Technical Specifications
🛰️ Connectivity
🧠 Microcontroller
✨ Features
- 40 digital IO pins
- 16 external interrupt pins
- 16 analog input pins
- 16 PWM pins
Adafruit ItsyBitsy ESP32 Pinout
Adafruit ItsyBitsy ESP32 Pins Mapping Arduino IDE
Below you can find the Adafruit ItsyBitsy ESP32 pinout. This development board provides 40 digital IO pins, out of which 16 can be used as external interrupt pins, 16 as analog input pins and 16 pins have Pulse-Width Modulation (PWM).
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 0 | ||||
| 2 | PWM | NEOPIXEL_POWER | ||
| 4 | A2 | T0 | PWM | |
| 8 | PWM | RX | ||
| 12 | T5 | PWM | ||
| 13 | T4 | PWM | LED_BUILTIN | |
| 14 | T6 | PWM | ||
| 15 | T3 | PWM | SDA | |
| 19 | PWM | SCK | ||
| 20 | PWM | TX | ||
| 21 | PWM | MOSI | ||
| 22 | PWM | MISO | ||
| 25 | A0 | PWM | DAC1 | |
| 26 | A1 | PWM | DAC2 | |
| 27 | T7 | PWM | SCL | |
| 32 | T9 | PWM | SS | |
| 33 | T8 | PWM | ||
| 35 | BUTTON | |||
| 36 | A5 | |||
| 37 | A4 | |||
| 38 | A3 |
Default Tools for Adafruit ItsyBitsy ESP32
| Bootloader tool | esptool_py |
| Uploader tool | esptool_py |
| Network uploader tool | esp_ota |
| Bootloader address | 0x1000 |
| Flash mode | dio |
| Boot mode | dio |
| Maximum upload size | 1280 Kb (1310720 B) |
| Maximum data size | 320 Kb (327680 B) |
The Adafruit ItsyBitsy ESP32 development board by default uses esptool_py uploader tool, esp_ota network uploader tool for Over-the-air (OTA) uploads and esptool_py bootloader tool. The bootloader starts at address "0x1000". Flash mode and boot mode for Adafruit ItsyBitsy ESP32 development board by default is dio and dio respectively.
