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  • HydraFW v0.10 released
  • Log     from HydraBus v1 Rev1.5
  • 07.09.2020 - HydraFW v0.10 This version is the first stable version (if you find any issue please create an issue). Big thanks to Baldanos to be the lead developer on HydraFW since 2015 including all major contributions of the project (191 commits, 545776...

  • PS2 keyboard driver module
  • Log     from Z80 microcomputer
  • I found one of these on eBay the other dayhttp://www.ebay.co.uk/itm/121126647632?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649Just connect your PS2 keyboard to it and then you get serial and parallel outputs related to the keys that you press. ...

  • Gun Pocket Control
  • Log     from Vacuum System for Deposition
  • So now that the e-beam supply works... well, at least I think it does. I have no way to build a 12+kw load for 10kv. Thats a lot of big resistors. I need to get the gun control working. The e-beam gun has 4 pockets that are rotated from the side, that's...

  • PCB fabricated
  • Log     from Bruce the Shark
  • So the PCB fabrication worked out nicely. I recently switched from using the toner transfer method of home fabricating PCB's to the UV exposure method because I wanted to make compact boards with small SMD components. My experience with toner transfer...

  • Lights ON!
  • Log     from Obsolete Time
  • Boards are populated and after some debugging and adjustments (cold solder joint oops) it lights up!It is great to see the driver board fit nicely in the case. For now the controller board is sitting outside for convenience but will be moved inside after...

  • PCB's Done . . . but not tested. . .

  • Log     from Toy Claw Machine
  • The boards are finally finished.  This was a long time coming, but I could machine the pcb's (which I have been wanting to do pcb milling for quite some time, but things did not fall into place until now) the mill have to become operational.  The...

  • Wired Test
  • Log     from Toy Claw Machine
  • Now that the boards were complete, the boards could be wired into the box.  The boards were designed to keep the 5V power supply voltages separate between the two boards.  This required 2 separate 5V power supplies to feed the control voltages...

  • Board Design
  • Log     from Toy Claw Machine
  • Finally getting to posting the schematic and the board layouts.  Here is the microcontroller board that controls the claw machine (schematic):And the finished board layout:All the inputs from the outside world (joystick control and limits) pass...

  • Omaha Mini Maker Faire
  • Log     from Toy Claw Machine
  • Here is claw machine at the booth of the Omaha Mini Maker Faire.  It was a good show and there were lots of kids to win the prizes inside.  By the end of the day, I only had to pull out a dozen of toys to just give away.  Along with the...

  • Evolution!
  • Log     from VisualK-OS (Control Console) [Prototype]
  • Since the previous post, the first 2 flood boards have been built and used live at a concert (unexpectedly, but helpfully, allowing me to find where my protocol and approach has had some inherent weak points). To simplify, I shall just post an itemized...

  • Moti v0.3 Bring-Up
  • Log     from Moti, a smart servo
  • I spent much of the day getting the driver-level facilities working at their most basic. I've heard this described as bring-up, though it's the first time I've used the term, so I could be misusing it. Anyways, it was a great day, as a number of features...
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