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RPi.GPIO Quick reference for GPIO programming on Raspberry Pi. Python code & port ID labels in a convenient 6" PCB ruler
RPi.GPIO Quick reference for GPIO programming on Raspberry Pi. Python code & port ID labels in a convenient 6" PCB ruler
1,019 backers pledged £7,326 to help bring this project to life.

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RasPiO GPIO Quick Reference Ruler for Raspberry Pi RPi.GPIO

£7,326

1,019

We're into the final hours now. After the campaign funding period has finished, all details about the RasPiO GPIO Ruler will be here...

http://rasp.io/gpioruler 

RasPiO GPIO Ruler...

  • is the ideal quick reference for GPIO hacking on the Raspberry Pi in Python
  • acts as a Raspberry Pi port identification aid
  • can be used as a ruler (cm/inches)
  • fits easily in a pencil case, toolbox or desk tidy
  • is very attractive

I use RPi.GPIO quite a lot, but I still find myself using my own blog, over at RasPi.TV, to look up the exact Python code I need.

What I'd really like is something I can just pick up and look at - a really portable 'crib-sheet' with all the most commonly used code. But pieces of paper get easily lost, or buried in piles. It'd be nice to have something permanent and portable like the RasPiO Portsplus board. 

RasPiO Portsplus
RasPiO Portsplus

But that's too small to hold all the information, so I hit on the idea of something a little bigger, like, a ruler...

RasPiO GPIO Ruler prototype
RasPiO GPIO Ruler prototype

There's a couple of really nice electronics reference rulers out there, but there isn't yet a Pi-specific one.

I want to change that, if you, the crowd, decide it'll be a useful thing to have. We need to make at least 500 for the project to go ahead, but >1000 would be ideal. (At 1000 pieces, PCB prices are better.)

Wouldn't it be nice if you had a permanent reference with all the most useful RPi.GPIO commands on?

The RPi.GPIO ruler fits neatly in your pencil case or toolbox and acts as a perfect aide memoire for GPIO programming, in Python, on the Raspberry Pi. It's also a port ID board and you can even use it to measure things and draw straight lines. It's designed to be useful, attractive and affordable.

Please back this project. Let's make it happen together.

Stretch Goal - UNLOCKED 10-Aug-2015

When we reach 1000 backers or £6000 (whichever happens soonest) I will donate 100 RasPiO GPIO rulers to the Raspberry Pi Foundation to give out in their excellent Picademy teacher (CPD) training workshops.

Current Design

Here's a video of a 3d model of the most up-to-date design. A couple of things changed. 

The biggest change was switching the inches scale to half 1/10ths and half 1/16ths due to backer requests. I also added the Alt functions on the top-side and rearranged some other (largely cosmetic) bits.

Projected Timings

RasPiO GPIO Ruler estimated timelines
RasPiO GPIO Ruler estimated timelines

General Points

  • If the project does extremely well, it will take longer to ship, but rewards will be shipped out in approximate backer # order (early birds first, although we may sort by destination) and we will keep you updated about how far we have got. 
  • Tracking codes and individual shipping notifications will not be issued, but regular updates will show you which reward groups have been sent, so you will know when your rewards are on the way
  • No variants! This is a simple project. There won't be six colour choices or lots of different packages on offer. 
  • No radical design changes. This would delay the project for everyone. 

If you've got this far, congratulations. Please back the project by selecting one of the rewards.

________

Background music Drifting Away by Purple Planet

Risks and challenges

There's really very little risk involved here. Having completed two KickStarter projects in the past, I have a very good idea of what to expect.

This is also a very simple project. We developed a pretty good shipping system for the RasPiO Duino project, which we managed to complete well ahead of schedule. We'll be using the same in-house system again for this project.

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Support

  1. Select this reward

    Pledge £4 or more About US$ 5

    One RasPiO GPIO ruler

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    206 backers
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  2. Select this reward

    Pledge £7 or more About US$ 9

    Twin-pack. Two RasPiO GPIO rulers

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    218 backers
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  3. Select this reward

    Pledge £14 or more About US$ 18

    Quad-pack. Four RasPiO GPIO rulers

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    66 backers
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  4. Select this reward

    Pledge £21 or more About US$ 26

    Hex-pack. Six RasPiO GPIO rulers

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    13 backers
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  5. Select this reward

    Pledge £34 or more About US$ 42

    Ten-pack. Ten RasPiO GPIO rulers

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    9 backers
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  6. Reward no longer available

    Pledge £3 or more About US$ 4

    Early-bird - Get your RasPiO GPIO ruler at the lowest possible cost and be first in the queue when it ships.

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    Reward no longer available 500 backers
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  7. Reward no longer available

    Pledge £35 or more About US$ 43

    One of only 3 available original RasPiO GPIO ruler prototypes AND a final production version

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    Reward no longer available 3 backers
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  8. Reward no longer available

    Pledge £36 or more About US$ 45

    One of only 3 available FINAL RasPiO GPIO ruler prototypes AND a final production version

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    Reward no longer available 3 backers
    £

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Funding period

- (32 days)