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This is a list of i2c Codes utilized by Argon ONE Raspberry Pi Cases

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Argon-ONE-i2c-Codes

This is a list of i2c Codes utilized by Argon ONE Raspberry Pi Cases.

NOTE: Operating system should have necessary libraries to control the Raspberry Pi GPIO.

How to Send i2c Codes to the Argon ONE MCU

Example: Setting Argon ONE to Mode 2 (Always ON)

Type in the Terminal the code below:

i2cset -y 1 0x01a 0xfe

Device Address:0x1a

Write Command Only one byte(0~255) can be used

1. HEX CODE: 0x01 to 0x64 (0~100)

ACTION: Sets the Fan's Duty Cycle from 0%~100%.

NOTE: FAN only starts turning at 10% power input.

2. HEX CODE: 0x00

ACTION: Turns OFF the FAN.

3. HEX CODE: 0xfd

Set the ARGON ONE to Mode 1:

ACTION: Sets "Default Mode"

Behaviour: You need to PRESS button to Power ON from shutdown or power outage.

4. HEX CODE: 0xfe

Set the ARGON ONE to Mode 2:

ACTION: Sets "Always ON Mode"

Behaviour: Power current will flow directly to Raspberry Pi. NO need to PRESS button to power ON from shutdown or power outage.

5. HEX CODE: 0xff

ACTION: Listens at Serial Port to cut power; Requires Serial Port to be ENABLED.

Behaviour: When ARGON ONE receives 0xff,then ARGON ONE will check UART's voltage. Then, it will cut the power when UART's voltage is low.

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This is a list of i2c Codes utilized by Argon ONE Raspberry Pi Cases

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