DFRobot Firebeetle 2 ESP32-S3

Development Board

Code name: ESP32S3_DEV

DFRobot Firebeetle 2 ESP32-S3 is a development board based on the ESP32S3 microcontroller using XTENSA architecture.

This board features a maximum CPU frequency of 240 MHz and 4MB flash memory.

About DFRobot Firebeetle 2 ESP32-S3

An ESP32-S3 board with an onboard camera interface and independent power supply circuit, designed for image recognition applications.

Technical Specifications

Complete technical specification details for DFRobot Firebeetle 2 ESP32-S3

Connectivity

WiFi 802.11 b/g/n (2.4 GHz)

Bluetooth 5.0

BLE 5.0

Microcontroller

Model esp32s3

Clock Speed 240 MHz

Flash Size 4MB

Architecture xtensa

✨ Features & Pins

Digital IO 48

Analog Input 20

PWM 22

Interrupts 46

Quick Setup

Copy-paste configs for DFRobot Firebeetle 2 ESP32-S3 - auto‑generated from this board's exact hardware specs.

ESP32S3 240 MHz 4MB DIO Xtensa

In Arduino IDE 2 select Esp32s3 Dev from the esp32 by Espressif package. In PlatformIO use board = esp32-s3-devkitm-1. ESP32S3 · 240 MHz · 4MB · DIO.

Tools menu settings

Board (select in Arduino IDE) Esp32s3 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 "Esp32s3 Dev" for the DFRobot Firebeetle 2 ESP32-S3.

platformio.ini


[env:dfrobot_firebeetle2_esp32s3]
platform  = espressif32
board     = esp32-s3-devkitm-1
framework = arduino

; Exact hardware config for DFRobot Firebeetle 2 ESP32-S3
board_build.mcu        = esp32s3
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: esp32-s3-devkitc-1
  framework:
    type: arduino   # or "esp-idf"

# DFRobot Firebeetle 2 ESP32-S3 - 240 MHz ESP32S3
# 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 esp32s3 \
  --baud 921600 \
  write_flash \
    --flash_mode dio \
    --flash_size 4MB \
    0x0 bootloader.bin \
    0x8000    partitions.bin \
    0xe000    boot_app0.bin \
    0x10000   firmware.bin

Install: pip install esptool - replace firmware.bin with your binary - bootloader at 0x0

Useful Links

Datasheets and resources for DFRobot Firebeetle 2 ESP32-S3

ESP32S3 Datasheet

Microcontroller reference

Pin Mappings

Complete pinout and GPIO mapping for DFRobot Firebeetle 2 ESP32-S3

Digital I/O Pins

Interrupt Pins

Analog Inputs

PWM Pins

Pin	Analog	Touch	PWM	Other
0
1		T1	PWM	SDA
2		T2	PWM	SCL
3		T3	PWM	GDI_DC
4	A0	T4	PWM
5	A1	T5	PWM
6	A2	T6	PWM
7		T7	PWM	GDI_FCS
8	A3	T8	PWM
9		T9	PWM	GDI_SDCS
10	A4	T10	PWM	SS
11	A5	T11	PWM
12		T12	PWM	GDI_TCS
13		T13	PWM	GDI_INT
14		T14	PWM	GDI_BUSY_TE
15			PWM	MOSI
16			PWM	MISO
17			PWM	SCK
18			PWM	GDI_CS
21			PWM	GDI_BLK
38			PWM	GDI_RES
43			PWM	TX
44			PWM	RX
47
D13				LED_BUILTIN

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 DFRobot Firebeetle 2 ESP32-S3

Setting	Value
Bootloader tool	esptool_py
Uploader tool	esptool_py
Network uploader tool	esp_ota
Bootloader address	`0x0`
Flash mode	dio
Boot mode	qio
PSRAM type	qspi
Maximum upload size	1280 KB (1310720 bytes)
Maximum data size	320 KB (327680 bytes)