DFRobot FireBeetle 2 ESP32-C6

Board
by DFRobotfirebeetle-2-esp32-c6≈ cheap (under ~$15)
DFRobot FireBeetle 2 ESP32-C6 pinout
Pinout

Specifications

Radiosinherited from ESP32-C6

Wi-Fi
Wi-Fi 6 · 2.4 GHz
Bluetooth LE
BLE 5.3
Bluetooth Classic
no
802.15.4
Zigbee 3.0, Thread 1.3, Matter

USB

Native USB
yes
Connector
usb-c

Board

Form factor
firebeetle
Dimensions
25.4 × 60 mm
Battery connector
yes
Charging
yes
Built onDFRobot FireBeetle 2 ESP32-C6 BoardESP32-C6 SoC

Low-power ESP32-C6 IoT board for smart-home control: 4 MB flash, USB-C, Li-ion charging plus 5 V solar/MPPT input, and a GDI display connector.

Firmware for this board

No firmware recipes yet — help add one.

Notes

  • 4 MB flash
  • Supports 5 V solar panel charging via CN3165 MPPT chip, max 0.5 A
  • GDI display connector onboard
  • ESP32-C6 has no PSRAM interface at all (chip datasheet lists no PSRAM/external-RAM support)
  • io.gpio_exposed=19 QUOTED: vendor page states "Digital I/O: x19"
  • io.gpio_free=16 DERIVED (SPEC-io-power.md §5.3): the vendor page has no text pin table, so the 19 exposed GPIOs are identified from the official schematic netlist (P1/P2 headers plus the GDI FPC connector, which shares the same nets): {1,2,3,4,5,6,7,8,9,14,15,16,17,18,19,20,21,22,23} -- 19 unique GPIOs, matching the vendor count exactly. Subtracting esp32-c6's soc.reserved_pins that are exposed -- strapping {8,9,15}: all 3 present; usb_flash_tied {12,13}: 0 present (native USB pins are not broken out) -- gives 19 - 3 = 16. GDI-shared pins (IO14/IO15, display backlight/reset) are not additionally subtracted since GDI is an optional plug-in connector, not a permanently populated display. Math not vendor-stated; verify before treating as exact.

Verify my board

Reads the connected chip over USB and checks it against what esp-atlas cites for DFRobot FireBeetle 2 ESP32-C6 — over Web Serial, no backend, nothing leaves your browser.

In-browser verify needs Web Serial: Chrome or Edge on a desktop. Safari, Firefox and phones cannot do it.

Serial monitor

Not connected.