---
tag: m0265
title: Scan I2C Bus
brief: Scan external I2C bus for devices
author: thinkyhead

group: i2c
requires: I2C_SCANNER
since: 2.1.3

codes: [ M265 ]
related: [ M260, M261 ]

example:
- pre: Scanning the i2c bus
  code: |
    > M265
    Scanning I2C (0x08-0x77)...
    I2C device found at address 0x02
    Scan complete. Found 1 device

---

Scan the external I2C bus to identify the presence of devices. Typically this is the LCD connector.