D-duino-32 is a development board based on the ESP32 microcontroller using XTENSA architecture.
This board features a maximum CPU frequency of 240 MHz and 4MB flash memory.
About D-duino-32
ESP32 dev board with built-in OLED - perfect for compact UIs, debugging, and quick visual feedback.
D-duino-32 Technical Specifications
🛰️ Connectivity
🧠 Microcontroller
✨ Features
- 40 digital IO pins
- 16 external interrupt pins
- 16 analog input pins
- 11 PWM pins
D-duino-32 Pin Mappings
Below you can find the D-duino-32 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 11 pins have Pulse-Width Modulation (PWM).
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 0 | A11 | T1 | ||
| 1 | PWM | TX | ||
| 2 | A12 | T2 | PWM | |
| 3 | PWM | RX | ||
| 4 | A10 | T0 | PWM | SCL |
| 5 | PWM | SDA | ||
| 12 | A15 | T5 | PWM | MISO |
| 13 | A14 | T4 | PWM | MOSI |
| 14 | A16 | T6 | PWM | SCK |
| 15 | A13 | T3 | PWM | SS |
| 25 | A18 | PWM | DAC1 | |
| 26 | A19 | PWM | DAC2 | |
| 36 | A0 | |||
| 39 | A3 | |||
| SCL | OLED_SCL | |||
| SDA | OLED_SDA |
Default Tools for D-duino-32
| 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 D-duino-32 development board by default uses esptool_py uploader tool, 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 D-duino-32 development board by default is dio and dio respectively.
