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ESP32-CAM Pinout Overview

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General Information: ESP32-CAM has 16 pins grouped by functionality
Only 10 GPIO pins available due to camera and PSRAM usage
Some pins shared with SD card, making them unusable
Key Functions: GPIO 0 controls flashing mode, must be HIGH during boot
GPIO 33 has built-in red LED for status indication
GPIO 4 serves as camera flash LED
7 capacitive touch pins for finger detection
One SPI interface supports up to 80 MHz clock speed
UART0 (GPIO 1, 3) primary UART interface
10 PWM channels for digital motor control
RTC GPIOs wake ESP32 from deep sleep
Power and Configuration: Two power pins: 5V and 3.3V
3.3V pin usage has reported issues
VCC pin can be configured to output 5V
Some pins shared with microSD card