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Eagle – PCB quote generator

Eagle – PCB quote generator

luca October 9, 2016 0

The PCBShopper website compares the prices of the most used PCB services. Jeremy Ruhland published on his Github’s repository an Eagle script (ulp, user language program) that automatically gets the required information from an Eagle project and compiles the

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Eagle – How to place pins in a circle

Eagle – How to place pins in a circle

luca May 21, 2016 0

I’m working with Eagle to prepare a PCB for a Nixie clock. I wasn’t able to find a library for the Nixie I chose so I had to create it from scratch. Nixie’s datasheet has the

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Windows, how to clean up unused COM ports

Windows, how to clean up unused COM ports

luca April 27, 2016 0

It certainly happened to you that, when you connect a new USB device to your Windows PC, the operating system assigns the device a COM port with a high number because of the previous

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Raspberry, how to update node.js

Raspberry, how to update node.js

luca February 20, 2016 0

If you read some of my latest projects (for example Home automation with Telegram BOT) you probably noticed that I really like the node.js javascript runtime. The framework is frequently updated (the moment I’m writing the latest version

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Arduino clones with CH340G IC

Arduino clones with CH340G IC

luca October 20, 2015 0

Recently, I received some Arduino clones, mostly from chinese webstores, that use the CH340G chip as USB-to-serial converter instead of the more common (and I suppose more expensive) FTDI chip: Windows natively does not support that

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Windows: unable to apply GPOs, event id 1065

Windows: unable to apply GPOs, event id 1065

luca August 31, 2015 0

Today I noticed that some Windows servers were not applying the correct GPOs (Group Policy Objects). Troubleshooting the problem, I found the event id 1065 in the Windows eventlog: A GPO was indeed configured with a WMI

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VMware – Unable to remove a datastore

VMware – Unable to remove a datastore

luca July 15, 2015 0

After having emptied a datastore on my vSphere cluster (using the Storage vMotion feature to hot move the virtual machines) I tried to delete it but I got the following error message: The resource <datastore-id> is

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VMware and CDP

VMware and CDP

luca June 1, 2015 0

The Cisco Discovery Protocol (CDP) is a Cisco proprietary protocol to share information between directly connected network devices. It’s very useful, especially in a complex network, to discover its topology, for example which switch port a

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vCenter Converter: How to manually configure the Helper VM

vCenter Converter: How to manually configure the Helper VM

luca April 28, 2015 0

Today I was virtualizing a Linux server using the latest version of the VMware’s vCenter Converter Standalone and I had a problem: the Helper VM, that is the virtual machine created by the Converter to be the target

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IIS 7.5 – Revert custom error pages to inherited ones

IIS 7.5 – Revert custom error pages to inherited ones

luca April 24, 2015 0

On IIS you can define custom error pages for the different HTTP error codes (for example the code 404 stands for “page not found”). Today I needed to revert the custom error pages to

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