DOIT ESPduino32

Development Board

Code name: ESP32_DEV

ESP32

DOIT ESPduino32 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 DOIT ESPduino32

ESP32 dev board with Arduino Uno layout - combines Wi-Fi power with classic compatibility.

Technical Specifications

Complete technical specification details for DOIT ESPduino32

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 27

Interrupts 16

Quick Setup

Copy-paste configs for DOIT ESPduino32 - auto‑generated from this board's exact hardware specs.

ESP32 240 MHz 4MB DIO Xtensa

In Arduino IDE 2 select Esp32 Dev from the esp32 by Espressif package. In PlatformIO use board = esp32dev. ESP32 · 240 MHz · 4MB · DIO.

Tools menu settings

Board (select in Arduino IDE) Esp32 Dev

CPU Frequency 240 MHz

Flash Size 4MB

Flash Mode DIO

Upload Speed 921600

Architecture Xtensa

In Arduino IDE 2, open Boards Manager, search "esp32" by Espressif and install it. Then go to Tools → Board and select "Esp32 Dev" for the DOIT ESPduino32.

platformio.ini


[env:esp32doit-espduino]
platform  = espressif32
board     = esp32dev
framework = arduino

; Exact hardware config for DOIT ESPduino32
board_build.mcu        = esp32
board_build.f_cpu      = 240000000L
board_build.flash_size = 4MB
board_build.flash_mode = dio
board_upload.flash_size = 4MB

The board value is a close generic match - check PlatformIO board registry for an exact fit.

esp32: block (YAML)


esp32:
  board: esp32dev
  framework:
    type: arduino   # or "esp-idf"

# DOIT ESPduino32 - 240 MHz ESP32
# Flash: 4MB | USB: N/A

Paste into your device's .yaml. See ESPHome ESP32 docs for full options.

esptool.py - flash command


esptool.py \
  --chip esp32 \
  --baud 921600 \
  write_flash \
    --flash_mode dio \
    --flash_size 4MB \
    0x1000 bootloader.bin \
    0x8000    partitions.bin \
    0xe000    boot_app0.bin \
    0x10000   firmware.bin

Install: pip install esptool - replace firmware.bin with your binary - bootloader at 0x1000

Useful Links

Datasheets and resources for DOIT ESPduino32

ESP32 Datasheet

Microcontroller reference

Pin Mappings

Complete pinout and GPIO mapping for DOIT ESPduino32

Digital I/O Pins

Interrupt Pins

Analog Inputs

PWM Pins

Pin	PWM	Other
0		IO0
1	PWM	TX0
2	PWM	LED_BUILTIN IO2
3	PWM	RX0
4	PWM	IO4
5	PWM	IO5
6	PWM	CLK
7	PWM	SD0
8	PWM	SD1
9	PWM	SD2
10	PWM	SD3
11	PWM	CMD
12	PWM	IO12
13	PWM	IO13
14	PWM	IO14
15	PWM	IO15
16	PWM	IO16
17	PWM	IO17
18	PWM	IO18
19	PWM	IO19
21	PWM	SDA
22	PWM	SCL
23	PWM	IO23
25	PWM	IO25
26	PWM	IO26
27	PWM	IO27
32	PWM	IO32
33	PWM	IO33
35		IO35
36		IO36
39		IO39
IO5		SS
IO23		MOSI
IO19		MISO
IO18		SCK

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 DOIT ESPduino32

Setting	Value
Uploader tool	esptool_py
Network uploader tool	esp_ota
Bootloader address	`0x1000`
Flash mode	dio
Boot mode	dio
Maximum upload size	1280 KB (1310720 bytes)
Maximum data size	320 KB (327680 bytes)