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  • Firmware Ahoy!

  • We now have a first draft for firmware for all three devices!After spending about a week playing around with the EZ430-RF2500, we finally have something to show for it! We have three build configurations in Code Composer Studio each with a first draft...
  • TeensyNet Log

  • 10-18-2014 - I've created version 14 of the TeensyNet Board. I've added the ability to use one of the Serial Ports of the Teensy3.1 as an external debug monitor using a USB-to-TTL RS232 cable. The second I2C line has been brought out to terminalblocks...
  • Requirements and specification

  • Discussion of ‘hardware’ in this context refers to the electro mechanical components required to build Seek_r. It does not (directly) refer to the hardware requirements in terms of clock speeds, RAM space and other electronics. That comes later.The mechanical...
  • Ball mill, 405nm, Jim Williams

  • Making glass frit by hand is labor intensive. A machine should do it. This is perhaps the simplest machine which will do the job: In want of steel balls, cut-up lengths of rebar should work too. That steel is very hard. (If anybody can get the original...
  • More on PCBoards

  • I went ahead and purchased an Eagle license so I could do the board layout for the larger PCB size...  You might be able to tell from the project logs, I've been having some glitches with these...but all should be on track now... The upgrade seemed...
  • Axis homing tests

  • Using the first version of satNOGS hardware we figured out that some times due to various reasons (software, mechanical or power malfunctions) the rotator might end up in an unknown position.At that point, the only way to resolve that situation was to...
  • Some notes on speed

  • I want to be able to support 30 frames per second animated GIF's at 24-bit RGB. The LCD I chose for version 0.2 is max 320x240 pixels. 320 * 240 * 24 = 1843200 bits per frame. The LCD controller supports paging, so I can load one animation...
  • Nixie drive voltage supply

  • Tail-end of last year we were working on a nixie tube clock project. It ended up getting stalled by some other stuff, but while Novak was working on the microcontroller code I was grinding out a power supply and drive circuits. For drive circuitry we...
  • What's implemented

  • You can see the progress in the quarterfinal video:Works:1st button - backlight control2nd button - 16 modes of spectrum and VU meter: https://cdn.hackaday.io/images/8052571408534158067.png3rd button - 8 different symbols to draw spectrum bars4th...
  • Final Assembly

  • Replaced Max232 chip with multi-drop mux board to perform TTL to RS232 to talk to motor controller. Board also provides RS485 and USB for the addition of those devices if necessary. Cleaned up sound by adding mass and damping to speaker box, as much...