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  • Controllers

  • The controller that comes with the Elekslaser is the EleksMaker® ManaSE (version unclear) which is an arduino nano and supports two A4988 driver modules. I am using this to control the C axis and may use it's motor port - spindle speed - to control...
  • Reviving tossed stepper motors

  • Now that we know what kind of stepper motor we have, we can build a simple test circuit to get the thing moving. At the bottom left, the control pins for the motor can be connected to any TTL logic device you wish to use to run the motor (in my project...
  • Wire the Switch Matrix

  • Press all switches into the plate. Also assemble the stabilisers and push them through the plate from behind before snapping them in place. Solder the diodes to one pin of the switches. Connect the switch rows and columns using the thicker 20 AWG solid...
  • Gather materials

  • You will need the following (prices as of 7/24/2022): 1 Arduino Zero $47.40 https://store-usa.arduino.cc/products/arduino-zero 1 Tundra Labs HDK $149.99 https://tundra-labs.com/products/steamvr-tracking-general-purpose-hdk-reference-design-tl448k6d-gp-hdk?variant=39421903536337...
  • Nano Bike Alarm

  • Hardware[Update: 2015/07/01 - Added additional info for those connecting the Nano Alarm to higher voltage (24, 36, 48 VDC eBike) batteries. ] NOTE- Before you start soldering, it's a good idea to plug your Arduino into your PC via the FTDI adapter and...
  • Assemble your Printer

  • You can check out the interactive model for the Trash Printer on the SketchUp 3D viewer, or download it from the SketchUp 3D warehouse. You can use this model as a reference to see how all the parts go together, and you can also use it to modify...
  • Assembly Code

  • ROA EQU 7FH ;es Reloj o es Alarma USR EQU 50H ;Unidades de Segundos del Reloj DSR EQU 51H ;Decenas de Segundos del Reloj UMR EQU 52H ;Unidades de Minutos del  Reloj DMR EQU 53H ;Decenas de Minutos del  Reloj UHR EQU 54H ;Unidades de Horas del...
  • Add the GPS module

  • Now it starts to get a little bit more difficult. My GPS module arrived and this will require some light soldering. This is how to connect the module to the PI: GPS ModuleRaspberry PIPIN on RaspberryVCC3.3VPIN 1 or PIN17GNDGNDPIN 6 or any other GNDRXDTXD...
  • Simple TTL logic tester

  • For the prototype there isn't much to instruct. I use a cheap China prototype-shield with a fitting bread-board. The only connections are from the shield to the board and documented in the Arduino sketch pinMap.h file. For the prototype the power pin...
  • GameBoy Zero, but smaller!!

  • Getting the screen working in retropie using raspi-config, enable spi, enale ssh, disable overscan in /etc/modules, add spi-bcm2835 fbtft_devicein /etc/modprobe.d/fbtft.conf addoptions fbtft_device name=fb_ili9341 gpios=reset:25,dc:24 speed=80000000...
  • Multimeter +

  • The following image is a snapshot of running 24 bit DMM UI page. The display gets updated every 1.2 seconds, it takes approximately 1.2 sec to collect all data samples. Left Input is connected to DC supply, Right Input connected to an AC line. AC needs...