I had not been to a computer show featuring RISC OS for a few years so when I found out that there was to be one in Portsmouth I made sure I was available. The last time I had been to a show that featured RISC OS was the Acorn User show at Wembley Exhibition Hall in 1992 and I was not sure what to expect. Things have certainly changed during the last 21 years and Acorn no longer exist as a company but their legacy lives on in the ARM processor and RISC OS.
I passed the re-certification exam for the National Instruments Certified LabVIEW Architect after my previous certification had lapsed nearly a year ago. What’s the big deal then?
Passed the Certified LabVIEW Architect re-certification exam
From the National Instruments site:
- Highest level of LabVIEW certification
- Demonstrates mastery in architecting and project managing LabVIEW applications
- Valid for 2 years from date taken, recertification required to maintain credentials
- Benefits: use of certification logo, listing on ni.com, exclusive events including annual CLA Summit
Monitoring the household energy usage with a Raspberry Pi, Current Cost ENVI (Model:CC128) Home Energy Monitor, LedBorg from PiBorg and controlled with Python.
The British Heart Foundation London to Brighton Bike Ride is an annual 54mile cycle from the Capital to the South Coast to rise funds for one of this Countries largest charities. This year the ride took place on 19th June and I joined 27,000 other cyclists for a day out in the English countryside.
Using four different RS485 serial ports to communicate with four data acquisition devices, each with four channels it should be possible to sent commands to the each device in turn while waiting for a response from the first. This will greatly reduce the time required to poll all channels. So why is it taking over 40 seconds for all channels on all ports when it takes less than 10 seconds to poll all channels on one device. LabVIEW should be able to run each port in a separate thread.
Today I finally got around to using Visual Studio to create a Windows Service that will call a LabVIEW executable every 10 minutes to log temperature to a database.
We have been running a LabVIEW application as a service using a free version of FireDemon but found today that our corporate anti virus software marks the executable as a Trojan. Getting an exception for this will take ages so after referring to google I found an article on MSDN with the title Windows Services: New Base Classes in .NET Make Writing a Windows Service Easy.