diff --git a/README.md b/README.md index f22d1f3..ef266dc 100644 --- a/README.md +++ b/README.md @@ -95,7 +95,6 @@ as data (http://x.x.x.x/rgb). resolution images as there is not enough memory) GPIO PINS: -
13 free (used by sd card but free if using 1 bit mode)
12 free (must be low at boot, used by sd card but free if using 1 bit mode)
14 used by sd card (useable is SPI clock?) @@ -105,7 +104,7 @@ GPIO PINS:
3 serial - input only?
4 has the illumination/flash led on it - led could be removed and use as output?
33 onboard led - possibly remove led and use as gpio? -
Some great info here: https://github.com/raphaelbs/esp32-cam-ai-thinker/blob/master/docs/esp32cam-pin-notes.md +

Some great info here: https://github.com/raphaelbs/esp32-cam-ai-thinker/blob/master/docs/esp32cam-pin-notes.md
BTW-You can use an MCP23017 io expander chip on pins 12 and 13 to give you 16 general purpose gpio pins, this requires the adafruit MCP23017 library to be installed.
Note: I have been told there may be issues reading files when sd-card is in 1-bit mode, I have only used it for writing them myself.