D-duino-32 image

D-duino-32

Development Board

Code name: D_Duino_32
ESP32

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.

📋 Technical Specifications

Complete technical specification details for D-duino-32

🛰️ Connectivity

WiFi 802.11 b/g/n (2.4 GHz)
Bluetooth 4.2
BLE 4.2

🧠 Microcontroller

Model esp32
Clock Speed 240 MHz
Flash Size 4MB
Architecture xtensa

✨ Features & Pins

Digital IO 40
Analog Input 16
PWM 11
Interrupts 16

Useful Links

Datasheets and resources for D-duino-32

ESP32 Datasheet

Microcontroller reference

Pin Mappings

Complete pinout and GPIO mapping for D-duino-32

40
Digital I/O Pins
16
Interrupt Pins
16
Analog Inputs
11
PWM Pins
PinAnalogTouchPWMOther
0A11T1
1PWMTX
2A12T2PWM
3PWMRX
4A10T0PWMSCL
5PWMSDA
12A15T5PWMMISO
13A14T4PWMMOSI
14A16T6PWMSCK
15A13T3PWMSS
25A18PWMDAC1
26A19PWMDAC2
36A0
39A3
SCLOLED_SCL
SDAOLED_SDA
Legend
A0 Analog input
T0 Touch sensor
PWM PWM capable
RX/TX Serial pins
LED Built-in LED
# Pin number

Default Tools & Configuration

Build and upload settings for D-duino-32

SettingValue
Bootloader toolesptool_py
Uploader toolesptool_py
Network uploader toolesp_ota
Bootloader address0x1000
Flash modedio
Boot modedio
Maximum upload size
1280 KB (1310720 bytes)
Maximum data size
320 KB (327680 bytes)
Configuration Summary

The D-duino-32 uses esptool_py for uploads , esp_ota for OTA updates, and esptool_py bootloader at 0x1000.

Flash mode: dio | Boot mode: dio

Max sketch size: 1280 KB | Max data size: 320 KB