Arduino Prototyping Shield on the Cheap

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Breadboards are very handy, but sometimes I just want to connect one IC or some LEDs and resistors to the controller.

My simple solution was to canibalize a cheap Breadboard to get two expandable PrototypingShields with some additional features.

What I used:
Breadboard (~3$)
2 Pieces of Veroboard (<1$)
28 PinHeader (<1$)
28 femaleConnectors (<1$)
2 Leds
1Switch
some Resistors...
and some epoxy to get it smooth and fixed

Tools:
Soldering iron
Dremel
pliers
a knife

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Step 1: Soldering the Shield

Sadly the ArduinoBoard doesn't align with the standard 0.1" spacing, so it's a little tricky to get the Shield smoothly into the Arduino connectors.

Firstly I cutted the right number of pinheaders.
After putting them into the Arduino connectors, I saw the difference to my 0.1" spaced veroboard.

I bent the headers a little bit as you can see in the second picture.

Now the pins are ready to solder.

As you can see in Pic4 I cutted the veroboard with one hole space to the border, to solder the female connectors later.

Step 2: Cut the Breadboard

Next step was to cut the breadboard.
Very stinky, but effective with a Dremel on 10.000rpm :)

I removed one row of the power connectors for the right size.
It fits just perfect!

I also made a little cut on the veroboard to disconnect the pins.

Step 3: Isolate and Glue the Breadboard

I used a thin coat of 5min epoxy to isolate the bottom side of the breadboard.

After 5 minutes I did the same again and glued the breadboard to the veroboard.

Step 4: Adding Some Features

I wanted to have the same nice features as the Arduino has.
- Led as power indicator
- Led connected to Pin13 for debugging
- Resetswitch

The Leds are connected through a resistor to +5V and Pin13
The ResetButton is connected to Gnd and the ResetPin

I used a 820ohm resistor for small power consumption and right brightness.
I = U/R = 5V/820ohm = 6mA

I used some epoxy to cover the leds, hold the button and give the board a smooth surface.

That's it.

postscript:
Hey Mauseju... if you read this, you'll soon be the owner of the second board I just made for you ;-))

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    10 Discussions

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    Jimmy Proton

    8 years ago on Step 2

    what was the width of the breadboard after you removed the power rail?

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    lurkingdevil

    8 years ago on Introduction

    I have a veroboard that only has holes. Your board appears to have strips of holes connected. Mine doesn't. What can I do?

    2 replies
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    nejo0017lurkingdevil

    Reply 8 years ago on Introduction

    It's pretty much the same. The circuitBoard under the protoBoard just connects the pinHeader with the female header. So board layout doesn't matter.

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    nejo0017jdege

    Reply 10 years ago on Introduction

    Thanks for your comment ! But the small ones are about 5$. I can get 3 small ones out of this 3$ breadboard. Regards, jo

    0
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    JodexFallenSub

    Reply 9 years ago on Introduction

    Here in Finland they don't even sell those mini breadboards. And maybe the cheapest one is about 7€ witch is about 10$.. =/

    0
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    ElectronMadnejo0017

    Reply 10 years ago on Introduction

    nah if you'r in seed studio its about 3 bucks and if u buy a bulk pack its like 1$ each. ANYWAY NICE instructable... :) good job