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

Structured comparison

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

Comparison of ESP32 DevKit V1 (DOIT, 30-pin), ESP32-WROOM-32E
Attribute	ESP32 DevKit V1 (DOIT, 30-pin)	ESP32-WROOM-32EESP32-WROOM-32E
Overview
Manufacturer	DOIT (generic)	Espressif Systems
Category	ESP32 / ESP8266	Microcontroller
Object type	devboard	module
Package	Breakout Board	Module
Documented pins	30	38
Interfaces	I2C, SPI, UART	CAN, I2C, I2S, SPI, UART
Lifecycle	Unknown	ACTIVE
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 Typically 4MB on DevKit V1 boards using a plain WROOM-32 module, but not guaranteed — check with esptool or the vendor listing.	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.
SRAM	520 KBSource	520 KBSource 520KB total (a portion is reserved by the ROM/software stack at runtime).
Logic Voltage	3.3 VSource	3.3 VSource
Onboard Regulator	YesSource AMS1117-style 3.3V LDO, typically.	Not applicable
Operating Voltage	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.	3 – 3.6 VSource
Interface
GPIO Count	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).	34Source Chip-level GPIO count; 6 of the module's 38 pads are reserved for the internal SPI flash and not usable as GPIO.
ADC Channels	15Source ADC-capable pins on this header; ADC2 pins (8 of the 15) are unusable while WiFi is active.	18Source
ADC Resolution	12 bitSource	12 bitSource
Wi-Fi	YesSource	YesSource
Bluetooth	YesSource	YesSource Bluetooth v4.2 BR/EDR + BLE.
Interfaces	i2c, spi, uartSource	i2c, spi, uart, i2s, canSource
Physical
USB Connector	micro-usbSource	noneSource Bare module — no USB peripheral or connector; the ESP32 has no native USB (that's the S2/S3/C3).
Package	Breakout BoardSource	ModuleSource
Length	Varies by vendor Commonly ~55mm long, but this is a widely-cloned generic design — PCB outline varies by manufacturer.	18 mmSource
Width	Unknown	25.5 mmSource
Height	Unknown	3.1 mmSource
Mounting	moduleSource	smdSource
Header Format	breadboard-friendlySource	Not applicable
Thermal
Min Operating Temp	Unknown	-40 °CSource
Max Operating Temp	Unknown	85 °CSource

Overview

Manufacturer

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

Object type

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

Package

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

Documented pins

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

Interfaces

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

Lifecycle

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

Physical pin mapping

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

Browser simulation

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

Electrical

Core

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

Max Clock

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

Flash

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.
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.

SRAM

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

Logic Voltage

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

Onboard Regulator

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

Operating Voltage

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.
ESP32-WROOM-32E: 3 – 3.6 VSource

Interface

GPIO Count

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).
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.

ADC Channels

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.
ESP32-WROOM-32E: 18Source

ADC Resolution

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

Wi-Fi

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

Bluetooth

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

Interfaces

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

Physical

USB Connector

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

Package

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

Length

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.
ESP32-WROOM-32E: 18 mmSource

Width

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

Height

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

Mounting

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

Header Format

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

Thermal

Min Operating Temp

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

Max Operating Temp

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

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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