**ESP32-CAM 上传代码按键流程/ESP32 CAM CodeUpload Button Process 上传代码： 点击Arduino 上传按钮 ---》 然后依次按住开发板上的IO0 和RST ---》等出现connecting 时，依次放开 RST和 IO0.
CodeUpload：Click 'Code upload' on Arduino IDE -->Press and Hold the button IO0 & RST on development board ---->when the 'Connecting .......' message shows up in Arduino IDE ,then release 'RST' & 'IOT' by sequence.**
https://gitee.com/xv-shuai/ESP32-CAM-Arduino-IDE/tree/master
Tips: 1).If u have problem with microSD read/write, try to change another one with better quality.
2).ESP32-CAM Troubleshooting Guide: Most Common Problems Fixed
https://randomnerdtutorials.com/esp32-cam-troubleshooting-guide/ Most common errors: Failed to connect to ESP32: Timed out waiting for packet header
Camera init failed with error 0x20001 or similar
Brownout detector or Guru meditation error If it reports: Brownout detector or Guru meditation error, try to change another better quality USB cable ,or change to a better 5v USB power supplier.
Sketch too big error – Wrong partition scheme selected
Board at COMX is not available – COM Port Not Selected
Psram error: GPIO isr service is not installed
Weak Wi-Fi Signal
No IP Address in Arduino IDE Serial Monitor
Can’t open web server
The image lags/shows lots of latency
esp_camera_fb_get(): Failed to get the frame on time!