Beginner Circuitry: Wire Game

The objective of this project was simply to create an interactive circuit. I chose to create a “Wire Game,” following this video walkthrough:

Concept

I wanted to make a game of some sort. I looked into LED Whack-a-Mole type games, but they looked fairly complex and required many different components, timers, and pseudo-random generators. I looked up “beginner circuitry games” and was met with the Wire Game. It was interactive, and the walkthrough’s project design was transparent so I didn’t feel out of my depth.

Design

A lovely MS Paint circuit diagram.

I knew it would be hard to find a switch among the classroom’s materials, so I planned a workaround. The positive wires from the straw posts and the speaker would connect by hooking to on the left-most straw post. It actually succeeded, and gravity did all the work:

A “hook switch.”

Some of my design elements were different from the video due to materials available:

  • I used a cardboard base
  • I hot glued the straw posts down
  • I used AA batteries
  • I used a speaker instead of a buzzer

Result

It was a very simple build and I didn’t run into any problems. I didn’t even need to solder or use a breadboard.

The speaker doesn’t emit any tones, but rather it just crackles when the loop touches the game wire. Regardless, it’s loud enough to hear and take notice of.

If I were to redo this project, I would try to get the speaker to emit some sort of tone or distinguishable noise. I would also add an LED to the circuit at the end of the game wire. If the player reaches the end of the game wire, and hooks the loop onto the LED cathode, the LED would light up, signifying the player’s victory.

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