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@ -73,14 +73,16 @@ https://github.com/alanesq/CameraWifiMotion
I have heard reports of these modules getting very warm when in use although I have not experienced this myself, I suspect it may be when streaming video for long periods? May be worth bearing in mind. I have heard reports of these modules getting very warm when in use although I have not experienced this myself, I suspect it may be when streaming video for long periods? May be worth bearing in mind.
GPIO: GPIO PINS:
io pins available for use are 13 and 12 (12 must not be high at boot) Main io pins available for general use are 13 and 12 (12 must not be high at boot)
pin 16 is used for psram but you may get away with using it as input for a button etc. 14, 2 & 15 should also be available if you are not using the SD Card
You could also use 1 and 3 if you do not use Serial or 14,2&15 if not using SD Card You can use 1 and 3 if you do not use Serial
More info: https://randomnerdtutorials.com/esp32-cam-ai-thinker-pinout/ More info: https://randomnerdtutorials.com/esp32-cam-ai-thinker-pinout/
You can use a MCP23017 io expander chip to give 16 gpio lines by enabling 'useMCP23017' in the setup section and connecting BTW-You can use an MCP23017 io expander chip on pins 12 and 13 to give you 16 general purpose gpio pins
the i2c pins to 12 and 13 on the esp32cam module. Note: this requires the adafruit MCP23017 library to be installed. Note: If using an sd card you this will normally stop you using pins 12, 13 and the led on 4
but if you put it in to 1-bit mode it allows you to carry on using these pins
The command to use 1-bit mode in the Arduino IDE is: SD_MMC.begin("/sdcard", true)
see an example of its use here: https://github.com/alanesq/esp32cam-demo
pin 16 is used for psram but you may get away with using it as input for a button etc.?
https://github.com/alanesq/esp32cam-demo https://github.com/alanesq/esp32cam-demo