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| "PWR SW" enable, "AL ON" will be disable. | | "PWR SW" enable, "AL ON" will be disable. |
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| ==V1.3 Expansion Function Description==
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| {| class="wikitable mw-collapsible mw-collapsed"
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| ! colspan="2" | <span style="font-size:1.2em; font-weight:bold; color:#2c3e50;">🔧 X306 V1.3 Expansion Function Description</span>
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| |-
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| | <div style="padding: 15px; background-color: #f8f9fa;">
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| The V1.3 version has a 4-pin reserved interface (AL, ON, GND, PSW) that can be used for the following functions:
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| '''🔧 Preparation'''
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| * This interface does '''not''' come with pre-soldered headers. If you need to use the functions below, you will need to solder a 4-pin header yourself.
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| * If you don't need these functions, just use the board as is — no action required.
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| '''⚡ Function 1: Auto Power-on'''
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| * '''How to connect''': Short the AL and ON pins with a jumper cap or solder bridge.
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| * '''Effect''': When power is connected, the Raspberry Pi will boot up automatically — no need to press any button.
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| '''🔘 Function 2: External Power Button'''
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| * '''How to connect''': Prepare a momentary push button and connect it '''between''' the GND and PSW pins.
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| * '''Effect''': You can use this button to power the Raspberry Pi on/off.
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| * '''⚠️ Note''': GND and PSW are the two connection points for the switch. '''Do not short them directly''' — they must be connected through an external switch.
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|
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| '''📌 Tips'''
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| * The two functions are independent — you can use one, both, or neither.
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| * If using both: short AL-ON for auto power-on, and connect a switch between GND-PSW. They do not interfere with each other.
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| </div>
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| |}
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| ==FAQ== | | ==FAQ== |