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Contributed Article: Seven Characteristics of Stepper Motors
{lang: 'en-GB'} Nick Jakubowski over at Circuit Specialists has submitted an article outlining the main characteristics of stepper motors and how they work. Read on for the full article below. A stepper motor, also known as a step motor, is a brushless electric motor that divides a full rotation into a large number of steps. These devices [...]
Checking File Permissions the Easy Way Using Python
It never ceases to amaze me what even a wet-behind-the-ears hobbyist like myself can do with Python. I needed a way to get the file permissions and check for the existence of a large number of paths that I could re-use in other scripts. The function
Ubuntu SFTP-Only Account How-to
This guide will show you how to setup Linux user accounts restricted to using SFTP only. These accounts will be unable to run arbitrary shell commands on the server or access/create files outside their own home directories. The steps in this guide we
