PCB Manufacturing Video

November 5, 2011

I found this good video showing the process of multi layer PCB in a fabrication house. I didn’t know it involves so many steps just to produce a PCB. Great info. Step 01- Introduction – Eurocircuits Educational movies – making a PCB Step2 – Front End Tool Data Preparation Step 3 – Preparing the Photo […]

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Robotic Halloween Mask

October 26, 2011

My first halloween robotics/electronics project.   I always wanted to do something for the halloween so I made this one.  I had an old scary mask from last year and I’ve  added two styrofoam balls inside to “fill it up”.    I’ve mounted 2 LEDs (one for each eye), and then added a  PIR sensor […]

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7400 Based Full Wave Rectifier

September 18, 2011

This is my entry to the 7400 contest. I have 2 pcs of HD74LS00 ICs and (mis)use it as a full wave rectifier. I was challenged by one of the criteria which is the part that says “Show us what 7400 logic was (never) meant to do”. I was also checking out other 74xx IC […]

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DIY SMD Tweezers

June 1, 2011

I wanted to have one of those fancy SMD tweezers that I can use to hold an SMD resistor or capacitor and then read their resistance or capacitance values.  However, the’re quite expensive.   So I made one. This is actually my idea a few years ago.  I don’t know exactly if somebody has done […]

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