No Leonardo?  No Problem!

The Leonardo was one of our favorite Arduinos.  Unfortunately it has been discontinued.  But fear not!  The folks at Seeed Studio have designed the 32U4-based Seeeduino Lite as a worthy replacement. 

There is one little problem though.  The Zumo chassis has a couple of unfortunately placed capacitors that interfere with the DC jack and capacitors on the Seeeduino.  The good news is that the Seeeduino ships without headers installed.  So all you need to do is replace them with slightly longer headers.  The Arduino R3 Stacking Headers are just the thing we need.

Parts Required:


Plug the headers upside-down into the Zumo Chassis as shown.

  • Using a piece of the packing foam from the Seeeduino kit, cut two small squares roughly 1.5"x1.5" (3.5cm x 3.5cm)  - These dimensions are not super critical!
  • Stack the foam squares between the extended headers.
  •  Avoid placing them on any of the taller components on the Zumo chassis.  They should lay fairly flat on the PCB.
  • Place the Seeeduino Lite board face down over the extended headers and let it rest on the foam.  There will be about 1/4" (6mm) of the header pin showing below the board.
  • Tack-solder the pins at the 4 corners of the board, adjusting to keep it level if necessary.
  • Then solder the remaining pins.

Install the 6-pin ICSP header from the Seeeduino kit from the top side and solder in place.

Trim the pins on the back and you are ready for the final assembly of your Pixy Pet!

This guide was first published on Aug 26, 2014. It was last updated on Jun 30, 2014.

This page (Seeduino Assembly) was last updated on Oct 17, 2016.

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