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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.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.7 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
A Skin Barrier Savior for Irritated, Pore-Prone Skin
Size: 1.35 Fl Oz (Pack of 1), Style: Cicaplast Baume B5 Balm
This cream has honestly become one of my skincare essentials. My skin gets easily irritated and reactive, and this balm calms everything down almost overnight. It really helps reduce redness, dryness, and that tight uncomfortable feeling after using active products. I also noticed my skin looks smoother and healthier overall, and even my pores appear less noticeable because my skin barrier is finally balanced and hydrated.
The texture is a little thicker than a regular moisturizer, so I prefer using a thinner layer during the day, especially under makeup. But at night, it works beautifully as a repairing treatment. Gentle, effective, and definitely worth the hype!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
★★★★★ 4
Good stuff
Size: 1.35 Fl Oz (Pack of 1), Style: Cicaplast Baume B5 Balm
This is a great rescue cream. No fragrance. Non-greasy. Lightweight. Application is easy. Helps with rashes, dryness, and redness, and feels great. The product itself gets 10 stars. The Amazon price, on the other hand, is not the best. I found it at a local store $2 cheaper. And still, for the size the price is high.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
I as well as my 6 year old use and like
Size: 1.35 Fl Oz (Pack of 1), Style: Cicaplast Baume B5 Balm
This balm has been amazing for dry and irritated skin. I started using it on rough patches around my nose and cheeks, and it helped calm everything down quickly. The texture is thick but it absorbs better than I expected. A little goes a long way, so the tube lasts quite a while. I also like that it does not have a strong fragrance that irritates sensitive skin. It works well under makeup and overnight as a treatment. I will definitely keep repurchasing this because it has become a staple in my skincare routine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
52, Post-Menopausal Dry Skin — This Is My Barrier Emergency Product
Size: 1.35 Fl Oz (Pack of 1), Style: Cicaplast Baume B5 Balm, Size: 1.35 Fl Oz (Pack of 1), Style: Cicaplast Baume B5 Balm
I’m 52 with post-menopausal, mature dry skin, and this is not something I use casually or every day — it’s what I reach for when my skin barrier is compromised and needs real help. When my skin is irritated, over-exfoliated, reacting to actives, or feeling tight and inflamed, I don’t want glow or anti-aging claims. I want calm, protection, and repair. This balm delivers exactly that.
The texture is rich and occlusive, but not greasy or suffocating. It melts into the skin and immediately takes the edge off irritation — that tight, uncomfortable feeling just stops. Within minutes, redness looks calmer, dryness is softened, and my skin feels protected rather than coated. It creates a breathable barrier that actually stays put overnight, which is especially important on mature skin that loses moisture quickly.
What I appreciate most is that this works with my existing routine instead of competing with it. I use growth factors, peptides, and treatment serums regularly, and when my skin needs a reset, this seals everything in without stinging or interfering. I’ve used it after retinoids, during periods of sensitivity, and when my skin simply feels fragile — and it consistently helps restore balance.
That said, if you have very oily skin or are looking for a lightweight daytime moisturizer or a dewy “glass skin” finish, this probably isn’t the product for you. This is a true treatment balm, designed for barrier repair rather than cosmetic glow.
This is not a glow cream, a makeup primer, or a lightweight moisturizer, and that’s exactly why it’s so effective. It’s a true barrier balm. On my dry, post-menopausal skin, it reduces flaking, minimizes irritation, and helps my skin recover faster so I can get back to my normal routine without setbacks.
With so many skincare products making big promises, this one quietly does its job — and does it extremely well. If you have mature, dry, or reactive skin and need something reliable for barrier repair, this earns its place. It’s not exciting, it’s not trendy — it’s just very, very effective.
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Reviewed in the United States on February 6, 2026
★★★★★ 5
Umbrella
Color: Tan, Size: 10 Foot, Color: Tan, Size: 10 Foot
10ft umbrella was perfect very good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
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