Part comparison

DFRobot FireBeetle ESP32 IoT Microcontroller vs DFRobot Romeo ESP32-S3 Robot Development Board

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 Romeo ESP32-S3 Robot Development BoardDFR0994

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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 Romeo ESP32-S3 Robot Development Board
Compare bySpecification	ADFRobotDFRobot FireBeetle ESP32 IoT Microcontroller	BDFRobotDFRobot Romeo ESP32-S3 Robot Development Board
Electrical4
Nominal input voltageUse-dependent	3.7 V	5 V
Minimum input voltageUse-dependent	3.3 V	5 V
Maximum input voltageUse-dependent	5 V	24 V
Logic voltage	3.3 V	3.3 V
Control & communication16
Board kind	Main controller	Main controller
Board architecture	Standalone board	Standalone board
Primary applicationUse-dependent	IoT	robotics;fpv;ai
Processor vendor	Espressif	Espressif
ProcessorUse-dependent	ESP-WROOM-32	ESP32-S3-WROOM-1U-N16R8
Processor architectureUse-dependent	Xtensa LX6 dual-core	Xtensa LX7 dual-core
Processor clock	240 MHz	240 MHz
Flash	16 MB	16 MB
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
ConnectorsUse-dependent	USB or external 3.7V Li battery; automatic power switching	Type-C 5V; VIN 7-24V; VM 5-24V; 5V rail max 2A
Wireless interfacesUse-dependent	Wi-Fi;Bluetooth 4.2	Wi-Fi;Bluetooth 5 LE
Communication interfacesUse-dependent	Wi-Fi;Bluetooth 4.2	Wi-Fi;Bluetooth 5 LE
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	ESP-WROOM-32	ESP32-S3-WROOM-1U-N16R8
SoCUse-dependent	ESP-WROOM-32	ESP32-S3-WROOM-1U-N16R8

ADFRobotDFRobot FireBeetle ESP32 IoT Microcontroller

BDFRobotDFRobot Romeo ESP32-S3 Robot Development Board

Electrical4

Nominal input voltageUse-dependent

Part A3.7 V

Part B5 V

Minimum input voltageUse-dependent

Part A3.3 V

Part B5 V

Maximum input voltageUse-dependent

Part A5 V

Part B24 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 applicationUse-dependent

Part AIoT

Part Brobotics;fpv;ai

Processor vendor

Part AEspressif

Part BEspressif

ProcessorUse-dependent

Part AESP-WROOM-32

Part BESP32-S3-WROOM-1U-N16R8

Processor architectureUse-dependent

Part AXtensa LX6 dual-core

Part BXtensa LX7 dual-core

Processor clock

Part A240 MHz

Part B240 MHz

Flash

Part A16 MB

Part B16 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 BType-C 5V; VIN 7-24V; VM 5-24V; 5V rail max 2A

Wireless interfacesUse-dependent

Part AWi-Fi;Bluetooth 4.2

Part BWi-Fi;Bluetooth 5 LE

Communication interfacesUse-dependent

Part AWi-Fi;Bluetooth 4.2

Part BWi-Fi;Bluetooth 5 LE

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AESP-WROOM-32

Part BESP32-S3-WROOM-1U-N16R8

SoCUse-dependent

Part AESP-WROOM-32

Part BESP32-S3-WROOM-1U-N16R8

Product sources

Product sources used by this comparison

DFRobot FireBeetle ESP32 IoT MicrocontrollerOpen source ↗

DFRobot Romeo ESP32-S3 Robot Development BoardOpen source ↗