by krtkl

A palm-sized, reconfigurable Linux computer that connects to the real world: ARM + FPGA + Wi-Fi + Bluetooth + 180 I/O

View all updates Jun 22, 2017

snickerdoodle diagnostics, piSmasher, giggleBits

Hello snickerdoodlers,

[Note: If you have a giggleBits baseboard or sIO card on order, please be sure to read the third bullet point.]

Apologies for skipping the update last week; we were holding out for some notable progress to report on. Despite the lack of “breakthroughs,” we wanted to let you know where things stand:

snickerdoodle – We completed testing of the 100 partially processed PCBAs and still saw approximately the same failure rate we were seeing with the fully assembled boards. We are carefully collecting manufacturing and test data and working closely with Xilinx to determine the root cause of the high dropout rate on the FPGAs during assembly. Oddly, it’s come to our attention that the issue may actually be software related as opposed to a hardware related (false failures) so we are carefully looking at that this week and will share more as data becomes available.

Rest assured, we will get to the bottom of this…

piSmasher – There was some confusion after the last update we’d like to clarify: if you’ve ordered a piSmasher at any point during the campaign/pre-order period, you WILL be receiving a piSmasher - in it’s current form - AT NO EXTRA CHARGE. Considering the lengthy delays, we felt this was the best and fairest outcome for everybody.

As far as production goes, bringup is still "in progress.” Power works. Battery charger works. USBs work. JTAGs work. The Ethernet ‘receive’ works; something in the ‘transmit’ seems to not be functioning properly (there is a 95% chance this is IP-related, but we will of course confirm before proceeding). HDMI ‘receive’/in appears to be working, but we’re still wrestling with loopback/‘transmit’/out to confirm; this should be resolved in the next couple days. Last on the list will be audio (in/out/headset). More to come…here’s a picture if you’re interested:

giggleBits – It is with heavy hearts that we regret to announce: giggleBits is officially being retired. A latecomer to the campaign, we’d previously migrated from a baseboard to an “sIO” card to make it a bit more appealing and versatile. However, in the end, there simply wasn’t enough interest/demand and with piSmasher adding a second Gigabit Ethernet port, giggleBits ended up becoming a less-capable, redundant product.

For those who currently have a giggleBits on order (either baseboard or sIO card), we will be upgrading you to a piSmasher at no extra charge. If you are not interested in this upgrade/exchange, please email us at to request a giggleBits refund (based on amount paid/pledged at time of order) and be sure to include your order number.

That’s it for now. As mentioned above, nothing earth shattering but we are pushing forward and continue to work towards getting you your hardware as soon as possible.

Kind regards,

the krtkl crew

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Product Choices


Snickerdoodle Black (Connectors Up)

Dual-Core 866 MHz ARM Cortex-A9 w/1.3M ASIC gates, 180 reconfigurable I/O, 1GB LPDDR2 RAM, 2.4GHz + 5GHz 802.11n 2x2 MIMO Wi-Fi, Bluetooth Classic & BLE, copperHead heat sink, free SDSoC license.


breakyBreaky breakout board

Full snickerdoodle pinout (270 pins) on 0.1” headers, JTAG connector, DC power jack. Note: order your snickerdoodle connectors "down".


piSmasher SBC

HDMI in AND out, 2x Gigabit Ethernet, 4x USB 2.0 high-speed, audio line in/out, headset, 25 reconfigurable I/O, DC power jack. Note: order your snickerdoodle connectors "down".


12V/36W International Wall Wart

36W/12V wall-mount power supply for use with snickerdoodle baseboards.


pin housings + jumpers

All seven mating snickerdoodle connectors and a 50-pack of (loose) jumpers - see below for jumper description for benchtop-prototyping; no baseboard needed.


cookieJar enclosure

A beautiful enclosure machined out of 6061 aluminum, bead blasted, anodized, and laser engraved. Also serves as heat sink. Note: this enclosure is only compatible with connectors “up” snickerdoodle.


32GB microSD card (pre-loaded)

32GB U3 Speed Class microSD card pre-loaded with snickerdoodle Ubuntu Linux.


baseboard headers

All seven connectors needed for building your own snickerdoodle baseboard; mates with snickerdoodle connectors “down”.


ten sets of baseboard headers

Ten sets of all seven connectors needed for building your own snickerdoodle baseboard; mates with snickerdoodle connectors “down”.



We’re a collection of electrical, mechanical, and software engineers based out of San Francisco. With decades of experience in embedded systems, real-time controls, and robotics, we’ve worked on everything from medical devices to consumer electronics. With the mindset that no detail is too fine and “good enough” never is, we live for building products people love and that will make a difference in the world.

Ryan Cousins

Jamil Weatherbee

Russell Bush


Product Lifecycle Management (PLM) Software

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