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I²C Cable Connection Guide: Master And Slave Devices.pdf

I2C-Connection-Diagram-259.pdf

Preview of I²C Cable Connection Guide: Master and Slave Devices

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Summary

# I²C Cable Connection Summary

The I²C (Inter-Integrated Circuit) protocol establishes communication between master and slave devices using two wires: SDA (Serial Data Line) and SCL (Serial Clock Line). Here's a concise breakdown of the cable connection:

Master Device to Next Slave Device:
- GND (Ground): Connect the brown wire for ground.
- +5V: Provide regulated +5V from the master device to power the slave.
- SDA: Output from the master, connected to the input of the next slave.
- SCL: Similarly, output from the master, linked to the input of subsequent slaves.

Previous Slave Device to Slave Device:
- GND: Connect ground as before.
- +5V: Ensure power supply.
- SDA: Input from the previous slave, connected to the SDA output of the current slave.
- SCL: Input from the previous slave, linked to the SCL output of the current slave.

Key Considerations:
- Master Devices: Include on-board processors and 4.7k pull-up resistors for SDA and SCL lines. ControlEverything.com's master devices offer regulated +5V on the I²C port.
- Slave Devices: Offer specific functionalities without an onboard processor. They require pull-up resistors (4.7k) unless using compatible master devices.

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Description

Ground (GND), +5V, SDA, and SCL. Outputs from Master are connected to inputs of the next device, and vice versa; all ControlEverything.com devices use 4.7k pull-up resistors for stable communication. Master devices provide regulated +5V on the I²C port.

Technical Information

File Format: PDF
File Size: 508 KB
Pages: 1
Language: EN
Total Downloads: 118
Last Updated: 3 weeks ago

Document Overview

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