Author Archives: John Shovic

About John Shovic

Dr. John C. Shovic is currently Managing Partner of SwitchDoc Labs, LLC and Chief Technical Officer of InstiComm, LLC, a company specializing in mobile medical software solutions for health practitioners. He has worked in industry for over thirty years and has founded multiple companies: Advance Hardware Architectures, TriGeo Network Security, Blue Water Technologies, InstiComm, LLC, and bankCDA. He has also served as a Professor of Computer Science at Eastern Washington University, Washington State University and the University of Idaho. Dr. Shovic has given over 55 invited talks and has published over 35 papers on a variety of topics on HIPAA, GLB, computer security, computer forensics, embedded systems and others.

Solar Power for the Pi/Arduino – Six Days In The Sun

Solar Power

Solar Power for the Pi/Arduino – Six Days In The Sun Last week the full set of upgrades were applied to the Project Curacao project down in the Caribbean.   I added the following: New Wind Turbine Hardware WatchDog Timer (the … Continue reading

Posted in Arduino, Arduino Software, MouseAir, Pi Camera, Project Curacao, Python Raspberry Pi Software, Raspberry Pi, RasPiConnect, Real Time Clocks, Solar Power, SwitchDoc WatchDog, WeatherArduino | Leave a comment

Solar Power and The Raspberry Pi/Arduino New Results

Solar Power

Solar Power and The Raspberry Pi/Arduino New Results The new additional solar panels have now been installed for a few days on the Project Curacao box. The ideas was to increase the power to the Arduino by about 50% and … Continue reading

Posted in Arduino, Arduino Software, Project Curacao, Projects, Sensors, Solar Power, SwitchDoc WatchDog, WeatherArduino, Wind Power | Leave a comment

Solar Power and the Raspberry Pi – 6 Months in the Sun

Solar Power

Solar Power and the Raspberry Pi – 6 Months in the Sun One of the critical subsystems of Project Curacao is the solar power system.  The original solar cells have been exposed to the fierce sun for over 6 months. … Continue reading

Posted in Arduino, Arduino Software, Products, Project Curacao, Projects, Raspberry Pi, RasPiConnect, Solar Power, SwitchDoc WatchDog | Leave a comment

Wind Power and WeatherArduino in the Caribbean

WeatherArduino

Wind Power and WeatherArduino in the Caribbean Wind Power arrives again!  Down here in the Caribbean for sun, fun and Project Curacao upgrades.  Yesterday, we finished installing the WeatherArduino board into the Project Curacao Box and added the SparkFun Weather … Continue reading

Posted in Arduino, Arduino Software, Project Curacao, Raspberry Pi, RasPiConnect, SwitchDoc WatchDog, WeatherArduino, Wind Power | Leave a comment

Dead Man Switch

Dual WatchDog

Dead Man Switch The Battery Watch Arduino software has expanded to about 3000 lines of code.  Guess what?  There are certainly bugs in this software.  One of the unresolved issues about the architecture of Project Curacao is that the software … Continue reading

Posted in Arduino Software, Project Curacao, Software, SwitchDoc WatchDog | 10 Comments

Benchmark: Real Time Clocks – Results Raspberry Pi/Arduino

Real Time Clocks

Benchmarks: Real Time Clocks –  Results for Raspberry Pi/Arduino I recently completed a 3.4 Million Second test run on a Raspberry Pi on three different Real Time Clocks(RTCs).  These results are also valid for an Arduino based system. DS3231 PCF8563 … Continue reading

Posted in Arduino, Raspberry Pi, Real Time Clocks | 3 Comments

Video: MouseAir Version 2 Takes Flight!

MouseAir

MouseAir Version 2 Takes Flight in New Video! The SwitchDoc labs project MouseAir is a bit more whimsical than WeatherArduino,BeaconAir or Project Curacao.  This project detects the cat, loads a furry fake mouse in to a launching slot, fires a … Continue reading

Posted in 3D Printing, MouseAir, Pi Camera, Projects, Raspberry Pi, RasPiConnect | 1 Comment

BeaconAir On Raspberry Pi / iBeacons

BeaconAir iBeacon

BeaconAir On Raspberry Pi / iBeacons BeaconAir is a Raspberry Pi based project that reads the advertising packets coming from iBeacons and roughly calculates the physical position of BeaconAir by Trilateration.  This is an application that uses my new iBeacon Python library … Continue reading

Posted in BeaconAir, Bluetooth Low Energy, iBeacon, MouseAir, Project Curacao, Python Raspberry Pi Software, Raspberry Pi | Leave a comment

WeatherArduino Complete and Ready for the Caribbean

WeatherArduino

WeatherArduino Complete and Ready for the Caribbean Deployment The WeatherArduino board is now up and finished.  The board to the right of the WeatherArduino is a new super secret board called the SwitchDoc WatchDog.  It implements an external watchdog function for … Continue reading

Posted in Arduino, Project Curacao, Raspberry Pi, RasPiConnect, SwitchDoc WatchDog, WeatherArduino, Wind Power | 1 Comment

Graphs on Raspberry Pi / RasPiConnect / MatPlotLib

Raspberry Pi

Drawing and Displaying Graphs on Raspberry Pi and RasPiConnect using MatPlotLib I often have data that is better shown as a graph rather than a table.  It is much easier to pick out a pattern when you show the data … Continue reading

Posted in Matplotlib Graphs, Project Curacao, Raspberry Pi, RasPiConnect, Solar Power | 1 Comment