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  • HACKLET 99 – SOLDERING TOOLS

  • If there is one tool every hardware hacker needs, it’s a good soldering setup. Soldering irons, heat guns, reflow ovens and the like make up the tools of the trade for building electronic circuits. Spend enough time working with a tool, and you’ll find...
  • HACKLET 103 – PIEZO PROJECTS

  • The piezoelectric effect is simple in its rules: Apply mechanical stress to a material and you generate an electric charge. The inverse is also true: Apply a voltage to a material, and it changes shape. This doesn’t work for everything, though. Only...
  • HACKLET 104 – TEST EQUIPMENT PROJECTS

  • Hardware hackers love their test equipment. There are entire forums dedicated to talking about multimeters, oscilloscopes, signal generators, and other common bench tools. At times it seems we spend more time talking about our tools than actually using...
  • HACKLET 106 – ROBOTS THAT TEACH

  • One of the best ways to teach electronics and programming is with hands-on learning. Get the concepts off the computer screen and out into the real world. Students of all ages have been learning with robots for decades. Many older Hackaday readers will...
  • What we know so far ...

  • 1. The eheim software itself has a firmware update button, but it links to a defunct php script on their site, so it doesn't work. They no longer supply firmware updates to users, you can send in your pump head (yeah, right) or you can use a third party...
  • Prototype 2 Delivered!

  • Just got the new and improved prototype in... it is NICE! Feels comfortable, no issues getting to normal tuning with standard strings, and it sounds damn good. I'm just thinking where to go from here. I've got room in the control cavity to stick in an...
  • Wiring

  • Not all of the electronic components came out of the box for the robot, the relay for the motors needed some adjustment(the motor controllers could not spin the motors backwards, these SPDT relays switched the polarity), they could not handle the amps...
  • First meeting results:

  • A bit delayed in posting but result set is this:Write up a document stating requested budget and how said budget will be used.  This budget is going to cover these things for phase 1: 4 pieces of 4" x 6" x 1/8"  white acrylic sheets (Source...
  • Bringing up CP/M Plus

  • I've been working all week to try and get CP/M Plus (aka CP/M 3) to boot on the Z80 system. Compared to CP/M 2.2, it's much more complicated due to the large number of features that were added. I could stick to just running CP/M 2.2, but then there would...
  • Mechanical work in progress!

  • Just a quick update.Final plans for the space have been agreed, we've figured out placement of all the tools, and we're working with mechanical engineers to get the actual design of the space turned into something that can be made. This will then move...