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Pianos are heavy and can take about a year to make. What if you could
have one that weighed only a few grams and took a very small amount of
time to construct?

The Gram Piano is a beginners soldering kit that, once assembled,
gives you with a musical keyboard that will leave you feeling like a
modern day Mozart. This kit provides you with the ability to play an
octave worth of notes using the capacitive touch keys, no strings or
hammers required! The pre-installed software also lets you play a
melody with the press of a button and switch octaves using a soldered

The Gram Piano is a simple through-hole kit with a fair part count,
making it ideal for beginning solderers looking for a little more
challenge. Like our other soldering kits, building and playing with
this kit will teach you various skills related to soldering,
electronics, and programming.

Note: Be sure to check out the Quickstart Guide in the Links section
below for helpful tips and assembly instructions.

Kit Includes:

* 1x Gram Piano PCB
* 1x PCB Speaker
* 1x ATMega328P AVR Microcontroller
* 1x Mini Power Switch
* 1x Mini Push Button
* 1x 10k Ohm Trimpot
* 1x 6-pin Right-Angle Header
* 2x 330 Ohm Resistor
* 2x 10k Ohm Resistor
* 2x 5mm LED - Red
* 2x AA Battery
* 4x AA Battery Holder
* 4x 0.1uF Capacitor
* 4x 3/8" 4-40 Phillips Screw
* 4x 3/8" 4-40 Nylon Standoff
* 13x 2M Ohm Resistor


* Quickstart Guide [1]
* GitHub [2] (Design Files & Example Code)



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General information

Manufacturer SparkFun
Product type Entwicklungsboards + Kits
Item number5998064
Manufacturer no.KIT-11835

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If you wish to learn more about this product, please visit the manufacturer's website or contact us:

Warranty & right to return

Warranty 24 month Bring-in

Limited right of return

Warranty and return

Please use our simplified returns and warranty process to return a product or register a warranty case. Returns and warranty

Please use our simplified warranty process to view the warranty period as well as any warranty extensions you may have purchased. This will ensure that your return or warranty case is processed quickly and effectively.


Mail delivery

 Expected delivery time: approx. 8–10 days
Currently 2 piece(s) in stock at the supplier


All locations

 Expected delivery time: approx. 8–10 days
Currently 2 piece(s) in stock at the supplier

If ordered immediately.
Information subject to change.

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SparkFun Gram Piano Kit SparkFun Gram Piano Kit