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Description: This base plate holds an Arduino and a self-adhesive clear breadboard and provids two screws which give you a more solid and simple connection. This plate can be used with any board that has the Arduino mounting holes which means the Arduino Uno, The Leonardo, FEZ Panda even the Electric Sheep can all be screwed down to the base plate for easy prototyping. You can even mount the board facing either way you like.

You will need to provide your own screws for holding your board.

Note: Due to a manufacturing error these holders are pretty warped but still easily usable. They might have slight imperfections and will wobble a bit on a table, but hold an Arduino and breadboard just fine. If you don’t mind a holder that’s a bit warped, cupped, or lopsided, this is for you!

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Customer Comments

  • What are the measurements for the screws?

  • I got one of these (for $3.95) before they were ‘ding and dent’. Around 30 seconds in a toaster oven (normally used by my wife for bagels, she wasn’t too happy) and it relaxes enough so there is no wobble.

  • I was able to flatten these (one at a time) by heating them up on the bed of a a 3D printer (a TAZ 3), then using the edge of a table to apply pressure against the warp (overshooting flat a bit and letting them spring back), and finally setting gallon jugs of liquid on top as they cooled.

  • These have a perfect size for RPi and perm protoboards as well.

  • The recess for the Arduino will not hold a Due.

  • I bought four of these with the intent of trying to straighten them. Of the four, one was probably usable without any attention, two were pretty bad, and one was awful (only one came with mounting screws for the Aruino). I tried simply placing one of these on an 12" x 12" x ½" aluminum plate in the toaster oven and waiting until I could see the plastic settle flat. I started at 200 degrees F for 10 minutes, and worked up in increments of 50 degrees F until I reached 500. At the lower temperatures (300-400), the warp actually got worse. At 500 degrees for 10 minutes, portions of the plastic started to melt unevenly, even though the breadboard holder hadn’t flattened. What ultimately worked for me was to heat the aluminum plate to 500 degrees, remove it from the oven, place the plastic breadboard holder on it, place three chunks of 12" x 3" x 1" aluminum on the plastic, and let the sandwich cool for several hours (you can’t simply use a second large aluminum plate to form the sandwich because of the raised standoffs that hold the Aruino).

  • I wonder if using a couple of rubber bumpers would make these less likely to wobble?

  • Wow: 3,243 in stock. The dings and dents usually sell off quickly, but I bet these will still be around if I wait and order next week.

  • I wonder if they were carefully re-heated….

Customer Reviews

3 out of 5

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1 of 1 found this helpful:

Straightened out just fine

I got one of these a year ago and used my SparkFun Heaterizer XL-3000 heat gun (which is great, BTW) to straighten it out. I just had to heat it (moving the heat gun around to apply heat evenly) while periodically bending it straight with my hands. Heating the bottom was more effective than heating the top. Now it sits flat on my desk with no wobble, and has held my RedBoard and a breadboard just fine ever since.

My only complaint is that the logo seems to be printed a bit thinly; the whiteness is uneven and it’s easy to scratch through in normal use.