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ci_electronics.md

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Assemble the Main Electronics

{{BOM}}

Prepare the Voltage Regulator Circuit {pagestep}

  • Take 4 20 cm Female-Female Jumpers{qty:4} and cut them in half.
  • Also, cut the Dupont female end of 1 pair.
  • Strip the ends of all wires.

Fix the Voltage Regulator PCB on the Base {pagestep}

  • Use 4 M3 10mm screws{Qty: 4} and M3 nut{Qty: 4} to secure the already wired voltage regulator.
  • Attach it to the interface base{qty:1, cat:printedparts}, making sure to place the M3 nut{Qty: 1} on the back side.

Install the 5.5mm Female Jack Connector {pagestep}

  • With the voltage regulator in place, position the 5.5mm female jack connector in the top left corner of the base.
  • Apply moderate force to ensure a tight fit.

Install the Raspberry Pi Pico {pagestep}

  • Place the Raspberry Pi Pico upside down, aligning the holes with the pins on the base.
  • Ensure that the USB port aligns with the respective hole.

Wiring the Pico and Voltage Circuit {pagestep}

  • Take the two cables that come out of the voltage regulator.
  • Connect the positive cable to the 40th pin of the Raspberry Pi Pico.
  • Connect the negative cable to the 3rd pin of the Raspberry Pi Pico.

Install the Motor Drivers {pagestep}

  • Take 2 TMC2209 driver{qty:2} and attach the heatsinks.
  • Make sure to attach them in the positions shown below.

  • Take 7 10 cm female-female jumper{qty:7} and connect them to the following pins of the TMC2209 Driver.
  • Repeat the process for the other TMC2209 Driver motor driver.

  • Connect the two TMC2209 Driver to the Raspberry Pi Pico pins.
  • Follow the diagram and the images below.

  • Insert the TMC2209 Driver into the corresponding holes.

Fix the Electronics Holder {pagestep}

  • Take 1 M3 25mm screw{qty:1} and M3 nut{Qty: 1}.
  • Use them to secure the electronics holder{qty:1, cat:printedparts} in place.
  • The electronics holder should keep the electronic components securely in place.

Rear Cables {pagestep}

  • Take 4 20 cm female-female jumpers{qty:4} and connect them to the 4 pins shown below on one of the TMC2209 Driver.
  • Thread the 20 cm female-female jumpers through the holes.
  • Repeat the process for the other TMC2209 Driver.

  • Take 2 M3 10mm screws{Qty: 2} and 2 M3 nut{Qty: 2}.
  • Secure the 20 cm female-female jumpers with the back cover{Qty:1, cat:printedparts}.
  • Ensure that the 20 cm female-female jumpers are arranged neatly. The lid should press firmly without cutting them.

The [Assembled Interface Base]{output, qty:1} is now ready.