3D Printed Robotic Arm, draft 2

Category: Mechanical

I have received the second draft of my robotic arm from Shapeways.com (for those of you just tuning in, you can see the first draft in my robotic arm series here). Shapeways was trying out a new material on the community, so I jumped on the bandwagon, and here are the results (video at the end [...]

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Macro-lens for your cellphone camera

Category: Uncategorized

Here is a fun evening project: making a macro-lens for your cellphone camera. I stumbled upon this post at diyphotography.net, where the author takes the lens from an old DVD drive and fixes it over his cellphone’s camera to get very interesting, very macro pictures. I remembered that I had a disassembled laptop drive from an abandoned [...]

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3D printing of mechanical parts

Category: Mechanical

Hurrah! The final pieces have arrived today. My 3D-printed parts came a few weeks ago,  which included an iris diaphragm, some test pieces to help me in future designs, and the first draft of my robotic arm. Today, the motors for my robot arm arrived from Seeedstudio.com (great site, with lots of cool electronic goodies). [...]

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Autonomous Toy Car 1

Category: Hardware hacking

During one of my many visits to the nearby goodwill, I spotted a rather nice RC racecar. However, like most RC cars at the goodwill, it lacked a radio controller. I thought that this would be a great opportunity to attempt RC car autonomy using the Arduino chip that I had recently been tinkering with. [...]

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