ESP32-CAM Development Board
Compact ESP32 board with integrated OV2640 camera, built-in flash lamp, Wi-Fi 802.11b/g/n, and Bluetooth 4.2. Requires a stable 5V 2A supply; weaker supplies cause image ripple. Now discontinued.
Pinout
- 3.3V
3.3V supply — provided by ESP32-CAM on-board LDO; do NOT connect 5V directly
Type · PowerVoltage · 3.3 - GND
Ground reference
Type · Ground - PWDN
Power-down control; active-HIGH shuts down sensor
Type · GPIO - RESET
Hardware reset; active-LOW resets sensor
Type · Control - XCLK
External master clock input to sensor (typically 20 MHz)
Type · GPIO - SDA
SCCB/I2C data line for sensor register configuration
Type · I2C - SCL
SCCB/I2C clock line for sensor register configuration
Type · I2C - D0
Parallel DVP data bit 0
Type · GPIO - D1
Parallel DVP data bit 1
Type · GPIO - D2
Parallel DVP data bit 2
Type · GPIO - D3
Parallel DVP data bit 3
Type · GPIO - D4
Parallel DVP data bit 4
Type · GPIO - D5
Parallel DVP data bit 5
Type · GPIO - D6
Parallel DVP data bit 6
Type · GPIO - D7
Parallel DVP data bit 7
Type · GPIO - VSYNC
Vertical sync output from sensor
Type · GPIO - HREF
Horizontal reference (line valid) output from sensor
Type · GPIO - PCLK
Pixel clock output from sensor
Type · GPIO
| Pin | Type | Function | Voltage |
|---|---|---|---|
| 3.3V | Power | 3.3V supply — provided by ESP32-CAM on-board LDO; do NOT connect 5V directly | 3.3 |
| GND | Ground | Ground reference | |
| PWDN | GPIO | Power-down control; active-HIGH shuts down sensor | |
| RESET | Control | Hardware reset; active-LOW resets sensor | |
| XCLK | GPIO | External master clock input to sensor (typically 20 MHz) | |
| SDA | I2C | SCCB/I2C data line for sensor register configuration | |
| SCL | I2C | SCCB/I2C clock line for sensor register configuration | |
| D0 | GPIO | Parallel DVP data bit 0 | |
| D1 | GPIO | Parallel DVP data bit 1 | |
| D2 | GPIO | Parallel DVP data bit 2 | |
| D3 | GPIO | Parallel DVP data bit 3 | |
| D4 | GPIO | Parallel DVP data bit 4 | |
| D5 | GPIO | Parallel DVP data bit 5 | |
| D6 | GPIO | Parallel DVP data bit 6 | |
| D7 | GPIO | Parallel DVP data bit 7 | |
| VSYNC | GPIO | Vertical sync output from sensor | |
| HREF | GPIO | Horizontal reference (line valid) output from sensor | |
| PCLK | GPIO | Pixel clock output from sensor |
Pin details
18 connections- 3.3V
3.3V supply — provided by ESP32-CAM on-board LDO; do NOT connect 5V directly
PowerVoltage · 3.3 - GND
Ground reference
Ground - PWDN
Power-down control; active-HIGH shuts down sensor
GPIO - RESET
Hardware reset; active-LOW resets sensor
Control - XCLK
External master clock input to sensor (typically 20 MHz)
GPIO - SDA
SCCB/I2C data line for sensor register configuration
I2C - SCL
SCCB/I2C clock line for sensor register configuration
I2C - D0
Parallel DVP data bit 0
GPIO - D1
Parallel DVP data bit 1
GPIO - D2
Parallel DVP data bit 2
GPIO - D3
Parallel DVP data bit 3
GPIO - D4
Parallel DVP data bit 4
GPIO - D5
Parallel DVP data bit 5
GPIO - D6
Parallel DVP data bit 6
GPIO - D7
Parallel DVP data bit 7
GPIO - VSYNC
Vertical sync output from sensor
GPIO - HREF
Horizontal reference (line valid) output from sensor
GPIO - PCLK
Pixel clock output from sensor
GPIO
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