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kumquat-readthedocs/docs/interfaces/power.md
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Power Supply

The power supply for the Kumquat board is provided through a single terminal block. This document explains how to connect the power supply and provides information about the fuse used for protection.

Connector Pinout Description

Location Description
X1.1 M (Negative)
X1.2 L+ (Positive)

Power Supply Connector Location

Prerequisites

Before connecting the power supply, ensure you have the following:

  • A 12V or 24V power supply capable of delivering at least 1 Amp of current.

Hardware Setup

  1. Connect the Power Supply:

    • Connect the positive terminal of the power supply to the L+ terminal.
    • Connect the negative terminal of the power supply to the M terminal.

  2. Power On:

    • Once connected, turn on the power supply. The Kumquat board should begin booting immediately.

Fuse (F1)

The Kumquat board is equipped with a preinstalled 3 Amp Slow Blow fuse (F1). This fuse protects the board's wiring from short circuits or overloads.

Fuse Location

Replacement Information

If you need to replace the fuse, ensure the replacement matches the specifications of the original. The replacement part can be ordered from most suppliers.

Replacement Part Number: Littelfuse 0453003

Note on 13w24b Revision Boards

Important: Boards with the 13w24b revision have a known bug in the Digital IO section, which causes them to get hotter than usual when using a 24V power supply. If you are using this revision, consider using a 12V supply to avoid excessive heat.