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Water System Controller rev 2

Water System Controller rev 2

Owned by Shawn Yang
Last updated: 2025-01-18

Introduction

Link to Rev 1: https://uwarg-docs.atlassian.net/wiki/spaces/EL/pages/2765914176/Water+System+Controller

  • Who

    • @Daniel Puratich architecture, component selection, pm

    • @Shawn Yang schem n layout

  • What
    the board takes the input signal from Pichawk, feeding into a four-channel high-side switch to trigger the solenoid for the water system.

LDO selection: LP2985-50DBVR Texas Instruments | Integrated Circuits (ICs) | DigiKey

  • Well documented

  • 16v(max) to 5v fixed

Ina180 datasheet: https://www.ti.com/lit/ds/symlink/ina180.pdf

Rsense: PE1206FKF470R01Z

RES 0.01 OHM 1% 1W 1206

Rsense Calculation


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Water controller wiring diagram- rev1

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Water controller wiring diagram- rev2

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https://drive.google.com/file/d/1IJDgHezvax7xQDBUlEUaf4bfIm8C9SEI/view?usp=sharing

 

Pixhawk Baseboard v1 Ports | Holybro Docs

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