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Arduino Motorized SMT Solder Paste Dispenser

Arduino Motorized SMT Solder Paste Dispenser

Summary This is a motorized solder paste dispenser for soldering SMT boards that was inspired by this thing http://www.thingiverse.com/thing:384680. The home directory of this project is on github here https://github.com/zapta/misc/tree/master/paste_injector and it include hardware and firmware design of a compatible controller board that is Arduino compatible (it looks to the Arduino IDE as an Arduino […]

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Choosing 1 sound card for DC capable low speed oscilloscope

Choosing $1 sound card for DC-capable low speed oscilloscope

This USB sound card that presents itself as C-Media is one of the cheapest sound cards available with price $1.1-$2 depending on vendor. Device markings: HX2010-0705, production date 40th week of 2013 (or later?). Device enumerates as composite device: sound card + HID input. HID input part is used for audio volume and mute control

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DIY Sunlight Simulator – Light Therapy Light

DIY Sunlight Simulator – Light Therapy Light

1. Light Therapy Overview & Introduction Sunlight simulation and light therapy light boxes are commonly used as light therapy for treatment of Seasonal Affective Disorder (SAD).  My mom has SAD and after seeing her wimpy light box I thought there had to be something better out there, after some research I was really surprised at the underwhelming

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