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Arduino code for MS5803 pressure sensors

I have recently been developing a library for the Measurement Specialties MS5803 line of digital pressure sensors. These sensors are available in several different pressure ranges from 1 to 30 bar, they are submersible if installed in a proper housing, they communicate via I2C or SPI, and they cost around US$35. It’s fairly straightforward to interface the MS5803 with a microcontroller like the Arduino that can also communicate via the I2C or SPI protocols. They are a surface-mount style chip, meant to solder onto a 1.27mm pitch SOIC-8 layout (like the green board I used in the picture below). … Continue Reading

One minor detail for getting 64-bit R-2.13 running with Eclipse/StatET

Upgrading from R-2.12 to R-2.13 was fairly painless, except for one minor hiccup in trying to get the 64-bit version running on my installation of Eclipse + StatET under Windows 7. The setup instructions are almost entirely the same as I have outlined previously (R 2.12.0 and Eclipse with StatET installation). But when you go to set up a 64-bit environment in Eclipse using those instructions, you must make one change to the Environment Configuration. Shown below is what you get when you use the “Detect Default Properties/Settings” button to find all of your R-2.13 install locations. I chose … Continue Reading