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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 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Good but sizes vary
Size: XX-Large, Color: Mg03- Dark Blue Snowflake
These are really great and fit well. I like the variety of colors and designs. Only downside is some are tight and some are loose not sure if its because of the different designs or materials.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Excellent quality & value
Size: X-Large, Color: Mg00- White
Love these hoodies, excellent for golf and the quality is excellent. I brought 3 already of these nice looking hoodies. I own many other Maelreg shirts.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
The perfect casual layer—unbelievably soft!
Size: Large, Color: Burgundy
I am seriously impressed with this hoodie. It’s made from a lightweight jersey material that feels just like a broken-in, high-quality t-shirt. It’s perfect for those transitional weather days when a heavy fleece hoodie would be too warm, or for just lounging around the house. The fit is spot on—not too baggy but with enough room to move comfortably. It washes really well without shrinking or losing its shape. For the price, you absolutely cannot beat the value. I'll definitely be buying a few more colors!
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Reviewed in the United States on May 23, 2026
★★★★★ 5
The Perfect Hoodie for Warm Weather Comfort
Size: XX-Large, Color: Black
I've been on the lookout for something exactly like this... a hoodie with the look and feel of a sweatshirt, but without all that heavy fleece that can become uncomfortable when temperatures rise. This Amazon Essentials Lightweight Jersey Pullover Hoodie turned out to be just the solution I needed.
Right out of the package, I noticed the material felt soft and airy, like a premium-quality T-shirt rather than a traditional hoodie. The lightweight fabric hits just the right balance: thin enough to remain cool and breathable, yet substantial enough to give you that hoodie vibe you're after. This makes it especially great when the weather is too warm for your thicker hoodies but still a bit too breezy for just a tee.
The fit is exactly what I was hoping for... comfortable without being baggy, and relaxed enough to allow easy movement. It drapes nicely, so it never looks awkward or ill-fitting. The hood itself is perfectly sized—not overly bulky, but still practical if you need a bit of coverage. No shrinkage when washed and didn't fade.
I've found this hoodie to be ideal for casual days around town, lounging, or even traveling. It layers well, making it versatile for spring, early summer evenings, or warmer fall days. If you're looking for something comfortable, lightweight, and stylish enough to pull off the hoodie look in warmer weather, this is absolutely worth picking up.
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Reviewed in the United States on July 7, 2025
★★★★★ 5
My new favorite hoodie!
Size: XX-Large, Color: Charcoal Heather
I love this, this is my new go-to hoodie! It's very soft and breathable, it's roomy and comfortable, and it's not too heavy. I've washed it a few times and it's held up well. For the price, you really can't go wrong. I'll probably end up buying a couple more colors.
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Reviewed in the United States on March 7, 2026