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Description
DFR FIREBEETLE ESP-WROOM-32 MCUDFR0478 FireBeetle ESP32 IOT Microcontroller (Supports Wi Fi & Bluetooth) FireBeetle ESP32 IOT Microcontroller Overview The DFRobot FireBeetle series offers optimized low power microcontrollers designed specifically for IoT projects. In this series, the FireBeetle ESP32 stands out as a formidable IoT controller. This ESP32 development board integrates the dual core ESP WROOM 32 module, supporting dual mode communication for microcontroller, Wi Fi, and
DFR0478 FireBeetle ESP32 IOT Microcontroller (Supports Wi-Fi & Bluetooth)
FireBeetle ESP32 IOT Microcontroller
Overview
The DFRobot FireBeetle series offers optimized low-power microcontrollers designed specifically for IoT projects. In this series, the FireBeetle ESP32 stands out as a formidable IoT controller. This ESP32 development board integrates the dual-core ESP-WROOM-32 module, supporting dual-mode communication for microcontroller, Wi-Fi, and Bluetooth. As a result, ESP32 microcontroller to find wider applications in low-power IoT projects, encompassing a broader range of possibilities.
Features
- Equipped with the ESP-WROOM-32 dual-core chip, operating at a frequency of 240MHz, and featuring 16MB Flash and 520KB SRAM, it supports dual-mode communication via WiFi and Bluetooth.
- Supports dual power supply from USB and an external 3.7V lithium battery with automatic switching functionality.
- Compact in size, making it ideal for IoT low-power projects with limited space.
- Arduino IDE compatible, enabling convenient development with one-click downloading.
- 5. Supports various programming methods, including Arduino IDE, IDF, Micropython, and Mind+ graphical programming.
Specifications
- Working voltage: 3.3V
- Input voltage: 3.3V~5V
- Support maximum discharge current: 600mA
- Support maximum charge current: 500mA
- Support USB charging
- Processer: Tensilica LX6 dual core processer (One for high speed connection; one for independent programing)
- Frequency: 240MHz
- SRAM：520KB
- Flash：16MB
- Wi-Fi standard：FCC/CE/TELEC/KCC
- Wi-Fi protocol: 802.11 b/g/n/d/e/I/k/r (802.11n, high speed can reach to 150 Mbps), converge A-MPDU and A-MSDU, supporting 0.4us protecting interval
- Frequency range: 2.4~2.5 GHz
- Bluetooth protocol: Comply with BR/EDR/BLE standard of Bluetooth v4.2.
- Bluetooth audio: the current under low power consumption of CVSD and SBC is 10μA
- Working current: 80mA in average
- Frequency range: 2.4~2.5GHz
- Support one-key downloading.
- Support micropython
- On-chip clock: 40MHz crystal and 32.768 KHz crystal
- Digital I/O: 10 (default setting of arduino)
- Simulative input: 5(default setting of arduino)
- SPI: 1 (default setting of arduino)
- I2C: 1 (default setting of arduino)
- I2S: 1 (default setting of arduino)
- LED_BUILTIN：D9
- Interface: FireBeetle series compatible
- Working temperature: -40℃~+85℃
- Dimension: 29 × 58(mm)/1.142 x 2.283(inches)
- The dimension of mounting hole: inner diameter 3.1mm; outside diameter 6mm
Additional Information
| Device | Microcontroller |
| Type | FireBeetle | ESP32 IOT |
| References |
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.5 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 3
Editing and Hockey Research Would Have Made This Better
Format: Kindle, Format: Kindle
A bit of editing and research needed here. Maybe I’m just a hockey fan, but if you’re going to use actual NHL teams as opponents, please make sure you use actual NHL teams and not NBA team names. At the beginning of chapter 24, they play the “Philadelphia 76ers” which is NOT Philly’s NHL team. That’s an insult to Gritty and the Flyers, Philly’s actual NHL team. Honestly, if you’re going to use a fictional NHL team, them
just make all the opponent teams fictional too.
Additionally, I believe that trainers have an entire area to themselves, not just an office with one or two tables. June wouldn’t have to go through the locker room to tear the players; more likely she has her own space and office area. war the workout and recovery areas.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 6, 2026
★★★★★ 5
Very good story!!!
Format: Kindle
I loved the characters and the storyline. Even a little mystery weaved in to the RH experience. The story made me laugh, cringe, hold my breath, and get sweaty. The love scenes were 🔥🔥🔥 🔥!!!! Great story to read!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
★★★★★ 4
So So Amazing
Format: Kindle
I received this book wiht the understanding that I could leave a voluntary and honest review.
In this book we meet June Wilder, Rhett Lawson, Cole Thibault, & Elias Nystrom. When this book opens we find that June has just joined the Atlanta Reapers as their new physical trainer. From the moment she starts she knows that she is going to get push back but there is something about not only this team but these guys that have become more to her than she thought when she first started. Rhett is the kind of guy who make a joke with anyone. One night when something happens with June he realizes there is something more than just jokes with her. Cole has been compartmentalized his life for years now. With the addition of June to the team he finds himself finding a person who understands his compartments and lets him be him. Elias is a man who is a an island. When he learns that opening up to one person who sees him allows him to grow and heal in many ways. Can they all find a HEA or will their positions make that impossible?
Another amazing story by this author. I would highly recommend it to anyone.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 31, 2025
★★★★★ 5
Good spicy campy hockey
Format: Kindle
I really enjoyed the character development. Reading about their growth and dealing with individual issues made good entertainment. Some surprising twists that made the book even better. Really glad we didn't have to go down the angst road where the public got to damage the budding relationships.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 1, 2026
★★★★★ 5
Great read!
Format: Kindle
Wonderful characters with great humor, a bit of mystery and a strong silent grumpy Sentinel to stand with the leading lady. They make her stronger but she also makes them stronger. I love the dynamics and the way it played out. This was a fun read!.
I received a free copy of this book via Booksprout and am voluntarily leaving a review.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 26, 2025
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