Today, we are going to carry out a simple experiment using logic ICs to apply De Morgan First and Second Laws. They state that: – the negation of a disjunction is the conjunction of the negations – the negation of a conjunction is the disjunction of the negations Wikipedia Let’s keep the theory in the … Continue reading Applying De Morgan’s First and Second Laws using digital TTL ICs
Creating a Policy with PowerShell
An easy way to create new Policies in Azure is to use the Portal and duplicate an existing policy. However, when working with Infrastructure as Code, using the manual process is not ideal as the new policy won’t be part of the code. An option would be to export the existing policy and update the … Continue reading Creating a Policy with PowerShell
BCD Switch
Last time we started to look into digital electronics. One handy building block for our experiments is the facility to provide input values to our circuits. An easy way to do is by using DIP switches but I find it always difficult to toggle the positions of the switches. Also, sometimes we want to provide … Continue reading BCD Switch
Electronics Cheat Sheet
One important beginner’s tool for his electronics lab is the cheat sheet. This is a double sided A4 page with the main references for your daily electronics need. Here is the one that Clounce prepared and uses during his experiments. Download your copy from my github repository. As described in the readme.md file in my … Continue reading Electronics Cheat Sheet
4 Steps to add an SQL managed user to Azure SQL Server
Working with Azure SQL Server, is very similar to working with the traditional on-premise SQL Server. However when it comes to managing users some differences start to become apparent. The first noticeable difference is when trying to create a new login or user. The traditional and user friendly dialog will not appear but instead a … Continue reading 4 Steps to add an SQL managed user to Azure SQL Server