ESP32-C6-Bug WiFi 6, Bluetooth LE, and 802.15.4 board takes a PoE Ethernet shield (Crowdfunding)

We’ve already covered a range of ESP32-C6 boards, but none supporting Ethernet and PoE so far, and the ESP32-C6-Bug board brings that to the table thanks to the Esp32-Bug-Eth shield with a W5500 Ethernet chip, an RJ45 jack and a PoE power module.

Like other ESP32-C6 devices, the little board supports Wi-Fi 6, Bluetooth LE 5, as well as Thread and Zigbee through its 802.15.4 radio, but it also integrates some other interesting features such as castellated holes for easy soldering on a carrier board and support for LiPo batteries with built-in battery charging and protection circuits.

ESP32-C6-Bug Board castellated holes

ESP32-C6-Bug board specifications:

  • SoC – ESP32-C6FH4
    • MCU cores
      • 32-bit RISC-V core @ 160 MHz
      • 32-bit RISC-V core @ 20 MHz low-power coprocessor can run tasks even when the main system is in deep sleep state
    • Memory – 512 KB SRAM
    • Storage – 4 MB Flash
    • Wireless – WiFi 6, Bluetooth LE 5, and 802.15.4 radio (Zigbee, Thread, etc…)
  • USB – 1x USB Type-C port for power, programming, and data
  • I/Os – 2x 12-pin headers with through and castellated holes
    • Up to 19x GPIOs
    • SPI, UART, I2C, I2S, PWM, SDIO, Motor Control PWM, 12-bit ADC, etc…
  • Misc
    • User-controlled LEDs
    • External 32.768 kHz RTC oscillator and 40 MHz oscillator
    • Reset and user-controlled buttons
    • Antenna – PCB antenna
  • Power Supply
    • 5V via USB-C port
    • LiPo battery support with
      • Under-voltage and reverse-polarity protection
      • On-board battery charging and level measurement w/ indicator LED
      • 20 uA deep sleep power consumption (with timer wake-up)
    • 700 mA low-noise LDO
  • Dimensions – Small (and breadboard compatible)


ESP32-C6-Bug specifications

While the board can be used standalone, some users will want to combine it with the Esp32-Bug-Eth shield to add both Ethernet and PoE support to create a tiny IoT gateway with WiFi 6, BLE, Thread, Zigbee, and Ethernet.

ESP32-C6 PoE board

Esp32-Bug-Eth add-on board features:

  • Wiznet W5500 Ethernet module
  • USB – 1x USB-C port supporting both power and data
  • Expansion – STEMMA-QT connector for connecting peripherals
  • Power Supply
    • 5V via USB-C port
    • Isolated PoE support provided via SDAPO DP1435-5V module

ESP32-C6 board with PoE Ethernet

The ESP32-C6-Bug can be programmed with the ESP-IDF framework or the Arduino IDE with various examples for the latter available on GitHub namely a blinky sample, an Ethernet sample to check wired connection when used in combination with the Esp32-Bug-Eth shield, an I2C OLED display sample, and a telegram bot pushing BMP280 sensor to Telegram over its Ethernet connection. At this time, Zigbee and Thread connectivity requires using the ESP-IDF, and it’s not implemented into the ESP32 Arduino core.

Hardware documentation including a datasheet, PDF schematics, the bill-of-materials (BoM), and 3D models can be found on a separate GitHub repository. Prokyber s.r.o also creates two 3D printable enclosures for the ESP32-C6-Bug board only and the combo with the Ethernet shield that you’ll find on Thingiverse.

Prokyber s.r.o has launched the ESP32-C6-Bug board on Crowd Supply with a $1,500 funding goal. Rewards start at $29 for the ESP32-C6-Bug board only, and the Esp32-Bug-Eth shield adds an extra $34, meaning a complete system would cost $63 before shipping which may make the solution a hard sell. Shipping adds $8 to the US, and $18 to the rest of the world, and backers should expect their perks to ship by August 2024 as long as there aren’t any unexpected issues.

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5 Replies to “ESP32-C6-Bug WiFi 6, Bluetooth LE, and 802.15.4 board takes a PoE Ethernet shield (Crowdfunding)”

    1. Hi Jeroen,The Ethernet board also supports 100 MBit. Check out the attached picture 🙂 The speed LED is ON when the board is connected via a 100MBit link. (When the W5500 outputs LOW (100Mbit) on the LINKLED pin, the LED is grounded).

    2. My bad. I thought the W5500 SPI Ethernet chip was limited to 10 Mbps, but that’s not the case. Not sure what the maximum speed is when having a 100 Mbps link though.

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