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Mar 16, 2016

snickerdoodle bringup (cont'd)

G’day snickerdoodlers,

Here’s a quick update on where things stand with the bringup process, what’s left to do, and the projected shipping dates for the Alphas as well as production snickerdoodles & baseboards…

Since our last update, we’ve received the reworked boards and have been cranking away on getting everything fully booted. See if you can find the rework (hint: check out the upper left corner):

snickerdoodle Rework Closeup

In case you missed it, here’s a closeup of the tiny (yet critical) fix under the microscope:

snickerdoodle Rework

After these tweaks, the power rails are now fully functional, within bounds, and firing at 100%!

And, as of last night, the DDR-FPGA interface (easily the most complex on the board) has been fully validated and is performing flawlessly…which is a HUGE sigh of relief. Now “all” that’s left is: completing the full Linux boot, verifying the SD card link, and testing the wireless communications - all of which we expect to have completed by early next week.

As far as the schedule goes, the minute we check off these last couple items, it’ll be full speed ahead on the next round of fabs & assemblies. So barring any setbacks, we’ll be shipping out the Alphas the first week of April (which is only 3 weeks away)!

Now, the rest of you are probably thinking: ‘That’s cool, but when do I get * my * boards?!” While we’re still awaiting finalized quotes and lead-times on a couple key parts, it’s looking like the first ‘production’ batch of snickerdoodles and baseboards are (tentatively) going to be delivered in approximately 3 months. This puts things a couple months behind the original schedule, but the extra time spent ironing things out on the front end will ensure everyone ultimately receives “production quality” product - which we believe, given all your ongoing support, is what you deserve.

We hope the slight delay in delivery won’t be an issue. However, if you think this is going to cause a problem, please email us at and inform us of your situation right away so we can figure out the best way to help.

That’s it for now. Expect another update sometime next week…with some (hopefully) gloriously good news!


the krtkl crew

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snickerdoodle one

Dual-Core 667MHz ARM Cortex-A9 w/430K ASIC gates, 155 reconfigurable I/O, 512MB LPDDR2 RAM, 2.4GHz 802.11n Wi-Fi. Only available with connectors up (benchtop).


snickerdoodle black

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.


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.


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.


jumpers (150 pack)

7.5" (19cm) long with Samtec pins on one end (for installing into pin housings, above) and 0.1" female “maker” pins/housings on the other. Note: includes jumpers (150 pack) only.


32GB microSD card (pre-loaded)

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


ten sets of baseboard headers

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

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