Analog reading box using an Arduino

I made this box for my music project to our school. This is only tutorial for the box, no for playing melody. It´s based on serial connected switches.
Arduino Analog reading box

You will need:
Some wire
6x switch
1x LED
1x 330 ohm resistor
5x 2000 ohm resistor (etc.)
1x 10 000 ohm resistor
1x plastic box
small piece of prototyping board

Step 1: Making a wire

First you need to prepare the connecting wire. Take three wires, three pins and a piece of prototyping board with prepared lines of conductive material. I chose this type: the middle pin is analog value and others are VCC and GND.

Step 2: Prepare the box

Take the front side of box and make five holes (i use my soldering iron for it 🙂 ) Put the switches to the holes.

Then take a top part of the box. Make there two holes. One for placing ON/OFF switch and one for LED (power indicator) .

Arduino Analog reading box circuit

Step 3: Connecting switche and resistors

As I said in step before it´s based on cascade of switches. To middle pin of first switch is connected the VCC power source. Left pin is connected to resistor, which goes to middle pin of next switch. The right pin is connected to wire, which is common for all switches (you can see on schematic). The resistor on last switch is connected to common wire.

Major Components in Project

Some wire
6x switch
1x LED
1x 330 ohm resistor


For more detail: Analog reading box using an Arduino

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