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ATX Power Supply Monitor

Inline ATX Power Supply Current Monitoring Board

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This is a small PCB designed to allow for monitoring the power consumption of the +12V, +5V and +3.3V power rails from a standard ATX power supply. The design includes three INA195 chips which can be connected to external microcontroller ADC for data logging.

atx-ps-tester-reva.pdf

PDF Schematic - This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. CC-BY-NC 4.0, Copyright (C) 2019, David Anders. All Rights Reserved.

Adobe Portable Document Format - 18.05 kB - 05/10/2019 at 23:11

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atx-ps-tester-reva.zip

Eagle CAD Design Files - This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. CC-BY-NC 4.0. Copyright (C) 2018, David Anders. All Rights Reserved.

Zip Archive - 58.04 kB - 05/10/2019 at 23:11

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Arsenijs wrote 08/15/2017 at 07:57 point

I can't take a look at the schematic, don't have Eagle. Do you really use those thin wires to carry current to the meters' current sensors, or are the current sensors themselves on the red PCB and the meters are modded to use the external sensors?

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Dave's Dev Lab wrote 08/15/2017 at 16:06 point

greetings and thanks for your question! I've added a PDF of the schematic for easy viewing. the current senors are on the PCB. The PCB is made with 2oz copper. The external displays in the picture are some off the shelf Voltage/Current Displays in which i removed the current sensing components and added connectors to interface to my design.

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Arsenijs wrote 08/15/2017 at 20:08 point

Hey, that's a great idea! 

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