Geppetto Electronics
Sunday, May 22, 2016
Welcome Bay Area MakerFaire 2016 visitors!
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I was showing Crazy Clocks this year and GPS disciplined oscillators . You can find the firmware over at GitHub and project info over at H...
Sunday, December 20, 2015
Home-brew J1772 EVSEs
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I've spent some time this morning and looked at some of the videos on YouTube of people showing off their home-brew J1772 charging stati...
Saturday, October 17, 2015
Making clocks - accuracy counts
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Because of the widely publicized incident of the young Texan clock maker being arrested for bringing his creation to school, there has been ...
Sunday, September 20, 2015
FE-5680A Breakout board users guide
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This is the permanent home for the user's guide for the FE-5680A breakout board. The FE-5680A is a Rubidium frequency standard widely ...
Sunday, July 26, 2015
GPS Disciplined Oscillator User Guide
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This is the permanent home for the GPS Disciplined Oscillator User Guide. More information can also be found at the Hackaday.io project page...
Thursday, July 23, 2015
A GPS disciplined oscillator
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I've started a new project over on Hackaday... It's for a GPS disciplined OCXO. What it does is make a 20 MHz LVCMOS square wave tha...
Saturday, July 4, 2015
Accurately measuring low frequencies
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When I discovered the Crazy Clock accuracy problem, one thing I needed to come to grips with in a hurry was exactly how to characterize the ...
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