HLK-RM04 Embedded Linux

May 29, 2015
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HLK-RM04 Embedded Linux

As I continue to develop embedded Linux designs I needed a smaller design that can be deployed as a standalone project. The new design consists of a small 4x5cm PCB that acts as a carrier for the HLK_RM04 wifi module. I needed this PCB to provide a USB to serial port for debugging as well…

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SMT Assembly Workshop

April 1, 2015
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SMT Assembly Workshop

Learn to assemble and reflow solder a double sided SMT Arduino printed circuit board. At the end of this workshop you will have a working Arduino that you can take home. Note that every effort will be made to ensure you are successful but it is still possible to assembly the board in a way…

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Eagle Routing Workshop

March 25, 2015
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Eagle Routing Workshop

Step1 – Creating a layout from the schematic Open the “Road_Warrior” schematic. From the file menu select “switch to board” setup the placement grid by typing “grid mm” and “grid 1” in the command line. This sets the grid to a 1mm metric grid. You could also have used “grid inch” and “grid 0.1″ to…

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3D Car Design

March 19, 2015
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3D Car Design

I was thinking about how I might design a better looking body for my paper car designs. I needed the design process to be simple to allow young students to design their own car bodies which could be 3D printed. The difficulty with traditional design tools is they are complex to learn and since the…

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Schematic Workshop

March 18, 2015
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Schematic Workshop

The goal of this workshop is to capture a schematic design for an Arduino Uno compatible board. The complete schematic will look something like the schematic below. I will provide basic instructions for each step in the process but the majority of the workshop is self directed. I will assist people with any issues that…

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Eagle Workshop

March 17, 2015
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I am planning an Eagle workshop that consists of 3 one hour meet ups starting in March. Each workshop is standalone and does not depend on any of the previous workshops however they are all required if you want to fully understand the process of designing and making PCBs. For the first run of the…

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