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November 28, 2019

February 7, 2018

As long as I've been designing PCBs I've always used Eagle Cad.  I was first introduced to it in school where the first thing I designed with it was an infrared transmitter to control TVs.  When I started at my current company, I found we also used it there to design t...

November 28, 2017

Years ago when I started learning how to program Pic microcontrollers I started programming using a compiler called Hitech C which was run in Mplab.  I had only been using it for a month or 2 before I started working at my current job where all the pic programming was...

November 17, 2017

So lately Ive had a lot on the go. Ive just finished a relay controller for someone which Ive been meaning to detail on the projects section of this site, however Ive recently been given a pretty fun design opportunity from someone else for some lighting controllers fo...

November 2, 2017

Everyone has their own space where they can be their most creative at home. For some its a spot in their house where they paint,  a work shop in the basement, or a desk in their room. For me its my office in a corner of my condo.

Since I record music(www.youtube.com/mrc...

October 19, 2017

I decided to buy a 5 volt phone charger for my car to fit in the cigarette lighter. Before plugging my phone in I wanted to make sure it worked so I plugged in a USB volt/current meter to see what the output was. I found that it was 14.1 Volts. Although I'm sure my pho...

October 16, 2017

So many years ago I bought a RC-029 remote control power hub which I used to control some AC lights in my old bachelor apartment I used to live in. It was a pretty simple unit. It came with one remote that had two buttons on it; an "ON" button and an "OFF" button.  The...

May 29, 2017

 Thought I'd just do a quick post to show how I organize my surface mount resistors and surface mount capacitors.  Over the years I've used a couple different methods of organizing them and this seems to work the best for me. I know one common method of organizing them...

April 19, 2017


So most of the projects I have designed recently have all been powered using a wall adaptor or some sort of outlet. Since that was the case I never was concerned about voltage regulator efficiency so I mostly have been using linear regulators like LM7805 of LM317.  I...

February 17, 2017


I recently purchased a cheap usb current meter off ebay for a couple dollars from china to measure the quality of all my phone chargers I had sitting around my house. After I got it, I noticed it had a 3 to 30 voltage range so I thought of a way I could repurpose it.

I...

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November 28, 2019

November 28, 2017

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