Parts comparison

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ESP32-WROOM-32EESP32 DevKit V1 (DOIT, 30-pin)

Structured comparison

Conditions and source links stay attached to each value. No automatic winner is declared.

Comparison of ESP32-WROOM-32E, ESP32 DevKit V1 (DOIT, 30-pin)
Attribute	ESP32-WROOM-32EESP32-WROOM-32E	ESP32 DevKit V1 (DOIT, 30-pin)
Overview
Manufacturer	Espressif Systems	DOIT (generic)
Category	Microcontroller	ESP32 / ESP8266
Object type	module	devboard
Package	Module	Breakout Board
Documented pins	38	30
Interfaces	CAN, I2C, I2S, SPI, UART	I2C, SPI, UART
Lifecycle	ACTIVE	Unknown
Physical pin mapping	Unknown	Unknown
Browser simulation	Not available	Not available
Electrical
Core	Xtensa dual-core 32-bit LX6Source	Xtensa dual-core 32-bit LX6Source
Max Clock	240 MHzSource	240 MHzSource
Flash	Varies by vendor Set by the order-code suffix (e.g. -N4 = 4MB, -N8 = 8MB, -N16 = 16MB) — the bare part number "ESP32-WROOM-32E" doesn't imply a size.	Varies by vendor Typically 4MB on DevKit V1 boards using a plain WROOM-32 module, but not guaranteed — check with esptool or the vendor listing.
SRAM	520 KBSource 520KB total (a portion is reserved by the ROM/software stack at runtime).	520 KBSource
Logic Voltage	3.3 VSource	3.3 VSource
Onboard Regulator	Not applicable	YesSource AMS1117-style 3.3V LDO, typically.
Operating Voltage	3 – 3.6 VSource	Varies by vendor Powered via 5V USB or the VIN pin, regulated down to 3.3V logic by an onboard AMS1117-style LDO (~1.1V dropout) — exact input tolerance depends on the regulator fitted by your particular board vendor.
Interface
GPIO Count	34Source Chip-level GPIO count; 6 of the module's 38 pads are reserved for the internal SPI flash and not usable as GPIO.	25Source GPIOs actually broken out on the 30-pin header (GPIO0 is BOOT-button-only and not exposed; several others are reserved for the internal flash).
ADC Channels	18Source	15Source ADC-capable pins on this header; ADC2 pins (8 of the 15) are unusable while WiFi is active.
ADC Resolution	12 bitSource	12 bitSource
Wi-Fi	YesSource	YesSource
Bluetooth	YesSource Bluetooth v4.2 BR/EDR + BLE.	YesSource
Interfaces	i2c, spi, uart, i2s, canSource	i2c, spi, uartSource
Physical
USB Connector	noneSource Bare module — no USB peripheral or connector; the ESP32 has no native USB (that's the S2/S3/C3).	micro-usbSource
Package	ModuleSource	Breakout BoardSource
Length	18 mmSource	Varies by vendor Commonly ~55mm long, but this is a widely-cloned generic design — PCB outline varies by manufacturer.
Width	25.5 mmSource	Unknown
Height	3.1 mmSource	Unknown
Mounting	smdSource	moduleSource
Header Format	Not applicable	breadboard-friendlySource
Thermal
Min Operating Temp	-40 °CSource	Unknown
Max Operating Temp	85 °CSource	Unknown

Overview

Manufacturer

ESP32-WROOM-32E: Espressif Systems
ESP32 DevKit V1 (DOIT, 30-pin): DOIT (generic)

Object type

ESP32-WROOM-32E: module
ESP32 DevKit V1 (DOIT, 30-pin): devboard

Package

ESP32-WROOM-32E: Module
ESP32 DevKit V1 (DOIT, 30-pin): Breakout Board

Documented pins

ESP32-WROOM-32E: 38
ESP32 DevKit V1 (DOIT, 30-pin): 30

Interfaces

ESP32-WROOM-32E: CAN, I2C, I2S, SPI, UART
ESP32 DevKit V1 (DOIT, 30-pin): I2C, SPI, UART

Lifecycle

ESP32-WROOM-32E: ACTIVE
ESP32 DevKit V1 (DOIT, 30-pin): Unknown

Physical pin mapping

ESP32-WROOM-32E: Unknown
ESP32 DevKit V1 (DOIT, 30-pin): Unknown

Browser simulation

ESP32-WROOM-32E: Not available
ESP32 DevKit V1 (DOIT, 30-pin): Not available

Electrical

Core

ESP32-WROOM-32E: Xtensa dual-core 32-bit LX6Source
ESP32 DevKit V1 (DOIT, 30-pin): Xtensa dual-core 32-bit LX6Source

Max Clock

ESP32-WROOM-32E: 240 MHzSource
ESP32 DevKit V1 (DOIT, 30-pin): 240 MHzSource

Flash

ESP32-WROOM-32E: Varies by vendor
Set by the order-code suffix (e.g. -N4 = 4MB, -N8 = 8MB, -N16 = 16MB) — the bare part number "ESP32-WROOM-32E" doesn't imply a size.
ESP32 DevKit V1 (DOIT, 30-pin): Varies by vendor
Typically 4MB on DevKit V1 boards using a plain WROOM-32 module, but not guaranteed — check with esptool or the vendor listing.

SRAM

ESP32-WROOM-32E: 520 KBSource
520KB total (a portion is reserved by the ROM/software stack at runtime).
ESP32 DevKit V1 (DOIT, 30-pin): 520 KBSource

Logic Voltage

ESP32-WROOM-32E: 3.3 VSource
ESP32 DevKit V1 (DOIT, 30-pin): 3.3 VSource

Onboard Regulator

ESP32-WROOM-32E: Not applicable
ESP32 DevKit V1 (DOIT, 30-pin): YesSource
AMS1117-style 3.3V LDO, typically.

Operating Voltage

ESP32-WROOM-32E: 3 – 3.6 VSource
ESP32 DevKit V1 (DOIT, 30-pin): Varies by vendor
Powered via 5V USB or the VIN pin, regulated down to 3.3V logic by an onboard AMS1117-style LDO (~1.1V dropout) — exact input tolerance depends on the regulator fitted by your particular board vendor.

Interface

GPIO Count

ESP32-WROOM-32E: 34Source
Chip-level GPIO count; 6 of the module's 38 pads are reserved for the internal SPI flash and not usable as GPIO.
ESP32 DevKit V1 (DOIT, 30-pin): 25Source
GPIOs actually broken out on the 30-pin header (GPIO0 is BOOT-button-only and not exposed; several others are reserved for the internal flash).

ADC Channels

ESP32-WROOM-32E: 18Source
ESP32 DevKit V1 (DOIT, 30-pin): 15Source
ADC-capable pins on this header; ADC2 pins (8 of the 15) are unusable while WiFi is active.

ADC Resolution

ESP32-WROOM-32E: 12 bitSource
ESP32 DevKit V1 (DOIT, 30-pin): 12 bitSource

Wi-Fi

ESP32-WROOM-32E: YesSource
ESP32 DevKit V1 (DOIT, 30-pin): YesSource

Bluetooth

ESP32-WROOM-32E: YesSource
Bluetooth v4.2 BR/EDR + BLE.
ESP32 DevKit V1 (DOIT, 30-pin): YesSource

Interfaces

ESP32-WROOM-32E: i2c, spi, uart, i2s, canSource
ESP32 DevKit V1 (DOIT, 30-pin): i2c, spi, uartSource

Physical

USB Connector

ESP32-WROOM-32E: noneSource
Bare module — no USB peripheral or connector; the ESP32 has no native USB (that's the S2/S3/C3).
ESP32 DevKit V1 (DOIT, 30-pin): micro-usbSource

Package

ESP32-WROOM-32E: ModuleSource
ESP32 DevKit V1 (DOIT, 30-pin): Breakout BoardSource

Length

ESP32-WROOM-32E: 18 mmSource
ESP32 DevKit V1 (DOIT, 30-pin): Varies by vendor
Commonly ~55mm long, but this is a widely-cloned generic design — PCB outline varies by manufacturer.

Width

ESP32-WROOM-32E: 25.5 mmSource
ESP32 DevKit V1 (DOIT, 30-pin): Unknown

Height

ESP32-WROOM-32E: 3.1 mmSource
ESP32 DevKit V1 (DOIT, 30-pin): Unknown

Mounting

ESP32-WROOM-32E: smdSource
ESP32 DevKit V1 (DOIT, 30-pin): moduleSource

Header Format

ESP32-WROOM-32E: Not applicable
ESP32 DevKit V1 (DOIT, 30-pin): breadboard-friendlySource

Thermal

Min Operating Temp

ESP32-WROOM-32E: -40 °CSource
ESP32 DevKit V1 (DOIT, 30-pin): Unknown

Max Operating Temp

ESP32-WROOM-32E: 85 °CSource
ESP32 DevKit V1 (DOIT, 30-pin): Unknown

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Compare electronics parts

Choose 2–4 parts

Structured comparison

Overview

Manufacturer

Category

Object type

Package

Documented pins

Interfaces

Lifecycle

Physical pin mapping

Browser simulation

Electrical

Core

Max Clock

Flash

SRAM

Logic Voltage

Onboard Regulator

Operating Voltage

Interface

GPIO Count

ADC Channels

ADC Resolution

Wi-Fi

Bluetooth

Interfaces

Physical

USB Connector

Package

Length

Width

Height

Mounting

Header Format

Thermal

Min Operating Temp

Max Operating Temp