SKU: TH2203
FireBeetle 2 ESP32-C5 IoT Development Board is a low-power wireless development board built around the Espressif ESP32-C5. It combines a 240MHz single-core RISC-V processor with modern wireless connectivity, including dual-band 2.4GHz and 5GHz Wi-Fi 6, Bluetooth 5, and IEEE 802.15.4 support for Thread and Zigbee.
This makes it a strong fit for connected sensor nodes, smart home controllers, Matter or MQTT-based Home Assistant projects, and power-conscious remote monitoring systems. The board also supports solar input and battery charging, making it suitable for long-term outdoor or semi-outdoor deployments such as plant monitoring and environmental logging.
For makers and engineers, the board offers a practical balance of wireless flexibility, low sleep current, and useful onboard interfaces. It can also be used in higher-performance wireless applications like robotics and FPV control where reliable connectivity and low latency matter.
| Brand | DFRobot |
|---|---|
| Model | FireBeetle 2 ESP32-C5 IoT Development Board |
| Operating Voltage | 3.3V |
| Input Voltage | Type-C: 5V DC; VIN: 5V DC or 4.5-6V solar panel |
| Flash | 4MB |
| Memory | 384KB SRAM, 320KB ROM, 16KB LP SRAM |
| Dimensions | 25.4 x 60mm |
The ESP32-C5 platform on this board supports IEEE 802.11a/b/g/n/ac/ax, with 2.4GHz and 5GHz operation in 1T1R configuration. Available Wi-Fi modes include Station, SoftAP, SoftAP+Station, and Promiscuous mode.
In addition to Wi-Fi, the board supports Bluetooth 5, Bluetooth mesh, and IEEE 802.15.4 at 2.4GHz with a data rate of 250Kbps. This gives developers the flexibility to work with Wi-Fi devices, BLE peripherals, Thread networks, and Zigbee ecosystems from a single development platform.
For hardware expansion, you get 18 digital I/O, 2x I2C, 1x SPI, 3x UART, 1x I2S, a 12-bit SAR ADC with 7 channels, LED PWM controller with 6 channels, infrared transmit and receive channels, and DMA resources for more capable embedded applications.
In Arduino IDE, select ESP32C5 Dev Module as the board. USB CDC On Boot can be enabled for serial output over USB, while disabling it routes serial output through TX and RX. Choose the partition scheme according to the onboard flash, then select the correct port before uploading.
The onboard LED test uses GPIO 15. If the LED does not blink after uploading the example, reset the board. This is a 3.3V development board, so take care when connecting external peripherals and signals.
Yes. This board supports dual-band Wi-Fi 6 on both 2.4GHz and 5GHz bands, with support for IEEE 802.11a/b/g/n/ac/ax protocols.
It is designed for IoT and smart home use cases and the supplier specifically highlights Home Assistant sensor nodes via MQTT, Zigbee, or Matter. It also supports IEEE 802.15.4 with Thread 1.3 and Zigbee 3.0.
The board operates at 3.3V, with 5V DC input over USB Type-C. The VIN input supports 5V DC or a 4.5V to 6V solar panel.
Yes. The supplier lists a maximum charging current of 0.5A and a deep sleep current of 21μA when battery powered, making it suitable for low-power IoT nodes.
In Arduino IDE, select the board as "ESP32C5 Dev Module". For serial output over USB, enable "USB CDC On Boot," and choose the correct COM port before uploading.
The module size is 25.4 x 60 mm. It uses a 240MHz single-core RISC-V ESP32-C5 with 384KB SRAM, 320KB ROM, 16KB LP SRAM, and 4MB flash.
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