Build gallery

Prompt

Build a cardboard drawbridge. One micro servo raises and lowers the span on a 4 second loop. Arduino Uno. A4 cutouts, wiring, and code.

Generated wiring

Generated code

// QA log: drawbridge
#include <Servo.h>
Servo span;

void setup() {
  span.attach(9);
}

void loop() {
  span.write(20);
  delay(2000);
  span.write(90);
  delay(2000);
}

QA photos

No phone photo in the QA log yet for this build. Wiring and code above are the generated package.

Parts

• Arduino
• servo
• cardboard

Difficulty and time are from the QA log for this prompt, not a timed class period.

If this build gets stuck

• My servo isn’t moving
• The generated steps skip a fold or the servo horn
• The cardboard joints keep falling apart