FireBeetle 2 ESP32-S3 AI Board with OV2640 Camera
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ESP32-S3 development board with OV2640 camera, AI acceleration, WiFi, and Bluetooth 5. Supports image recognition and BLE 5; programmable via Arduino or MicroPython.
ESP32-S3 development board with OV2640 camera, AI acceleration, WiFi, and Bluetooth 5. Supports image recognition and BLE 5; programmable via Arduino or MicroPython.
Regulated 3.3V output
5V DC input; outputs USB voltage when USB powered or battery voltage when battery powered
Common ground
I2C data, also camera SDA
I2C clock, also camera SCL
GDI LCD_DC data/command
GPIO/analog input, camera D5, GDI BUSY
GPIO/analog input, camera PCLK
GPIO/analog input, camera VSYNC
GPIO, camera D6, GDI FCS
GPIO/analog input, camera D7
GDI SD card chip select
GDI touch chip select
GDI INT
SPI MOSI
SPI MISO
SPI clock
GDI TFT chip select
Onboard LED and GDI LCD_BL backlight
GDI LCD reset
Camera D2
Camera D3
Camera D4
Camera HREF
Camera XCLK/XMCLK
Camera D8
Camera D9
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| 3V3 | Power header | Power | Regulated 3.3V output | 3.3V |
| VCC | Power header | Power | 5V DC input; outputs USB voltage when USB powered or battery voltage when battery powered | 5V input / USB or battery rail output |
| GND | Power header | Ground | Common ground | 0V |
| GPIO1SDA | Header pin 1 / SDA | GPIO, I2C | I2C data, also camera SDA | 3.3V logic |
| GPIO2SCL | Header pin 2 / SCL | GPIO, I2C | I2C clock, also camera SCL | 3.3V logic |
| D2GPIO3 | Header D2 / GDI LCD_DC | GPIO | GDI LCD_DC data/command | 3.3V logic |
| GPIO4A0 | Header A0 / D10 | GPIO, Analog | GPIO/analog input, camera D5, GDI BUSY | 3.3V logic |
| GPIO5A1 | Header A1 | GPIO, Analog | GPIO/analog input, camera PCLK | 3.3V logic |
| GPIO6A2 | Header A2 | GPIO, Analog | GPIO/analog input, camera VSYNC | 3.3V logic |
| D5GPIO7 | Header D5 / D6 | GPIO | GPIO, camera D6, GDI FCS | 3.3V logic |
| GPIO8A3 | Header A3 | GPIO, Analog | GPIO/analog input, camera D7 | 3.3V logic |
| D7GPIO9 | Header D7 | GPIO | GDI SD card chip select | 3.3V logic |
| D12GPIO12 | Header D12 | GPIO | GDI touch chip select | 3.3V logic |
| D11GPIO13 | Header D11 | GPIO | GDI INT | 3.3V logic |
| GPIO15MOSI | Header MOSI | GPIO, SPI | SPI MOSI | 3.3V logic |
| GPIO16MISO | Header MISO | GPIO, SPI | SPI MISO | 3.3V logic |
| GPIO17SCK | Header SCK | GPIO, SPI | SPI clock | 3.3V logic |
| D6GPIO18 | Header D6 / LCD_CS | GPIO | GDI TFT chip select | 3.3V logic |
| D13GPIO21 | Header D13 | GPIO | Onboard LED and GDI LCD_BL backlight | 3.3V logic |
| D3GPIO38 | Header D3 / LCD_RST | GPIO | GDI LCD reset | 3.3V logic |
| GPIO39 | CAM interface | GPIO | Camera D2 | 3.3V logic |
| GPIO40 | CAM interface | GPIO | Camera D3 | 3.3V logic |
| GPIO41 | CAM interface | GPIO | Camera D4 | 3.3V logic |
| GPIO42 | CAM interface | GPIO | Camera HREF | 3.3V logic |
| GPIO45 | CAM interface | GPIO | Camera XCLK/XMCLK | 3.3V logic |
| GPIO46 | CAM interface | GPIO | Camera D8 | 3.3V logic |
| GPIO48 | CAM interface | GPIO | Camera D9 | 3.3V logic |
Regulated 3.3V output
5V DC input; outputs USB voltage when USB powered or battery voltage when battery powered
Common ground
I2C data, also camera SDA
I2C clock, also camera SCL
GDI LCD_DC data/command
GPIO/analog input, camera D5, GDI BUSY
GPIO/analog input, camera PCLK
GPIO/analog input, camera VSYNC
GPIO, camera D6, GDI FCS
GPIO/analog input, camera D7
GDI SD card chip select
GDI touch chip select
GDI INT
SPI MOSI
SPI MISO
SPI clock
GDI TFT chip select
Onboard LED and GDI LCD_BL backlight
GDI LCD reset
Camera D2
Camera D3
Camera D4
Camera HREF
Camera XCLK/XMCLK
Camera D8
Camera D9
USB · UART · I2C · 3.3 V · Module
Confirm the data interface matches your host board.
Module pins: 3V3, VCC, GND. Schematik maps them to your board in the app.
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