Scan for I2C Addresses
Find every device on the bus with a scanner.
Find What Is Connected
Before coding a sensor you need its address. An I2C scanner sketch finds every device on the bus for you. 🔍
Why Addresses Matter
Two devices with the same address will clash on the bus. Scanning first tells you what is there and warns of conflicts.
All lessons in this course
- How I2C Talks on Two Wires
- Scan for I2C Addresses
- How SPI Moves Data Fast
- Run Several Devices on One Bus