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For my HiLetgo ESP32-CAM with the OV3660 camera (ASIN B07RXPHYNM), I need to control four motors through MOSFETs, an MPU-6050 gyroscope over I²C, and a servo while keeping the camera active and not using a microSD card. Based on the GPIO pins available on this exact board, which specific GPIO pins would you recommend for each of these seven signals without conflicting with the camera, interfering with boot or programming, or causing startup issues? If the board does not have enough suitable GPI?

2026-10-25 1 answer

The HiLetgo ESP32-CAM has very limited available GPIOs because the camera and PSRAM consume most of the pins. When the camera is active, you…