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SC-F001 way better logging and parameters. not integrated yet but.

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Thaddeus Hughes
2025-12-13 10:57:09 -06:00
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managed_components/esp-idf-lib__i2cdev/examples/default/README.md Normal file
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# I2C bus scanner
## What it does
This example scans the i2c bus in a loop and prints out a table with the addresses of the found i2c devices.
## Wiring
Connect `SCL` and `SDA` pins to the following pins with appropriate pull-up
resistors.
| Name | Description | Defaults |
|------|-------------|----------|
| `CONFIG_EXAMPLE_I2C_MASTER_SCL` | GPIO number for `SCL` | "5" for `esp8266`, "6" for `esp32c3`, "19" for `esp32`, `esp32s2`, and `esp32s3` |
| `CONFIG_EXAMPLE_I2C_MASTER_SDA` | GPIO number for `SDA` | "4" for `esp8266`, "5" for `esp32c3`, "18" for `esp32`, `esp32s2`, and `esp32s3` |
## Example output
Three devices found on a bus: 0x38, 0x60 and 0x77
```
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- 38 -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: 60 -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- 77
```