Part comparison

DFRobot FireBeetle ESP32 IoT Microcontroller vs DFRobot FireBeetle 2 ESP32-E

A side-by-side comparison of source-backed specifications within the same subcategory.

20 shared specs2 scored

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DFRobotDFRobot FireBeetle ESP32 IoT MicrocontrollerDFR0478

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DFRobotDFRobot FireBeetle 2 ESP32-EDFR0654

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Directional spec summary

Counts across 2 numeric specifications with a clear higher-or-lower direction.

Part A leads

Tied

Part B leads

These are metric-by-metric differences, not an overall performance score. Check the values below.

Specifications

20 specifications compared side by side.

DFRobot FireBeetle ESP32 IoT Microcontroller / DFRobot FireBeetle 2 ESP32-E
Compare bySpecification	ADFRobotDFRobot FireBeetle ESP32 IoT Microcontroller	BDFRobotDFRobot FireBeetle 2 ESP32-E
Electrical4
Nominal input voltageUse-dependent	3.7 V	5 V
Minimum input voltageUse-dependent	3.3 V	3.7 V
Maximum input voltage	5 V	5 V
Logic voltage	3.3 V	3.3 V
Control & communication16
Board kind	Main controller	Main controller
Board architecture	Standalone board	Standalone board
Primary application	IoT	IoT
Processor vendor	Espressif	Espressif
ProcessorUse-dependent	ESP-WROOM-32	ESP-WROOM-32E
Processor architecture	Xtensa LX6 dual-core	Xtensa LX6 dual-core
Processor clock	240 MHz	240 MHz
Flash	16 MB12 MB higher	4 MB
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
ConnectorsUse-dependent	USB or external 3.7V Li battery; automatic power switching	USB-C 5V; PH2.0 3.7-4.2V Li-ion; VCC 5V
Wireless interfaces	Wi-Fi;Bluetooth 4.2	Wi-Fi;Bluetooth 4.2
Communication interfaces	Wi-Fi;Bluetooth 4.2	Wi-Fi;Bluetooth 4.2
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	ESP-WROOM-32	ESP-WROOM-32E
SoCUse-dependent	ESP-WROOM-32	ESP-WROOM-32E

ADFRobotDFRobot FireBeetle ESP32 IoT Microcontroller

BDFRobotDFRobot FireBeetle 2 ESP32-E

Electrical4

Nominal input voltageUse-dependent

Part A3.7 V

Part B5 V

Minimum input voltageUse-dependent

Part A3.3 V

Part B3.7 V

Maximum input voltage

Part A5 V

Part B5 V

Logic voltage

Part A3.3 V

Part B3.3 V

Control & communication16

Board kind

Part AMain controller

Part BMain controller

Board architecture

Part AStandalone board

Part BStandalone board

Primary application

Part AIoT

Part BIoT

Processor vendor

Part AEspressif

Part BEspressif

ProcessorUse-dependent

Part AESP-WROOM-32

Part BESP-WROOM-32E

Processor architecture

Part AXtensa LX6 dual-core

Part BXtensa LX6 dual-core

Processor clock

Part A240 MHz

Part B240 MHz

Flash

Part A16 MB12 MB higher

Part B4 MB

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

ConnectorsUse-dependent

Part AUSB or external 3.7V Li battery; automatic power switching

Part BUSB-C 5V; PH2.0 3.7-4.2V Li-ion; VCC 5V

Wireless interfaces

Part AWi-Fi;Bluetooth 4.2

Part BWi-Fi;Bluetooth 4.2

Communication interfaces

Part AWi-Fi;Bluetooth 4.2

Part BWi-Fi;Bluetooth 4.2

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AESP-WROOM-32

Part BESP-WROOM-32E

SoCUse-dependent

Part AESP-WROOM-32

Part BESP-WROOM-32E

Product sources

Product sources used by this comparison

DFRobot FireBeetle ESP32 IoT MicrocontrollerOpen source ↗

DFRobot FireBeetle 2 ESP32-EOpen source ↗