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Software i2c #93
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Looks like the default I2C pins are used internally on ESP32-Cam. You can select alternate pins with Try changing this:
To:
The ESP32 has two I2C ports. You can use the second port like this
I compiled the above but didn't test them on an ESP32. Let me know if this works. Its been years since I used an alternate port. |
It works just fine! Thanks Bill. For my project, the ESP32-Cam pins are all used (Camera, SD and two external sensors) so I set the only two remaining free pins, RX and TX (1 and 3 on ESP32), as SDA and SCL. After uploading the firmware to the board, they can be used as I2C pins. Thanks again. |
Is it possible to use a 128x128 OLED like this? |
No the SD1306 controller only supports up to 128x64. |
Hi, is it possible to initiate the oled.begin on pins different from the hardware i2c pins? I'm trying to use the library on a ESP32-Cam
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