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Category: Arduino

Cat Links Arduino, Personal Project

Arduino Milliohm Meter Build

Posted on November 2, 2017November 2, 2017 The Engineer

During the rebuild of the wheelchair motors for the support trolley, I found myself needing an accurate milliohm meter to test the armature windings with. Commercial instruments like these are expensive, but some Google searching found a milliohm meter project based around the Arduino from Circuit Cellar. Here’s the original

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Cat Links Ameteur Radio, Arduino, Personal Project

Arduino SWR Power Meter Final Parts & Calibration

Posted on July 24, 2015July 24, 2015 The Engineer

Now the final bits have arrived for the SWR Meter module, I can do the final assembly. Here the SMA connectors are installed on the side of the eBay meter, for forward & reverse power tap. These are simply tee’d off the wiring inside the meter where it connects to

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Cat Links Ameteur Radio, Arduino, Hacks, Personal Project

Arduino Based SWR/PWR Meter – The Board

Posted on July 8, 2015February 25, 2017 The Engineer

I recently posted about a small analog SWR/Power meter I got from eBay, and figured it needed some improvement. After some web searching I located a project by ON7EQ, an Arduino sketch to read SWR & RF power from any SWR bridge. The Arduino code is on the original author’s

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Cat Links Arduino, Kits, Personal Project

Water Management System PCB Revisions

Posted on August 31, 2014 The Engineer

OK, a few revisions have been made to the water management PCB, mainly to reduce the possibility of the brushed DC motors in the water pumps from causing the MCU to crash, with the other changes to the I/O connector positioning & finally upgrading the reverse blocking diode to a

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Cat Links Arduino, Personal Project

Marine Potable Water Management System

Posted on May 14, 2014 The Engineer

Having two separate water tanks on nb Tanya Louise, with individual pumps, meant that monitoring water levels in tanks & keeping them topped up without emptying & having to reprime pumps every time was a hassle. To this end I have designed & built this device, to monitor water usage

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