Hardware, Software

Introduction to RF communication

This post introduces the basics of RF communication along with various band specifications used for wireless communication. It also covers comparison of  different bands on basis of their data rates and other parameters. Content Introduction Available frequency Bands Types of RF communication Different wireless protocols Introduction Now a days, we are surrounded by a large number of wireless devices working on different protocols, on different frequency bands thus utilizing almost whole of the “Radio-wave” frequency spectrum. Adhering to it’s high density, complete frequency spectrum can be divided into different groups and each group can be further divided into different channels.…

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DC motor selection for robotic applications

This post is mainly contributed by the members of the electrical team of ARES robotics. For designing a rover prototype, we have to select motors for applications like Robotic arm, wheels, etc.  This post aims to be a single guide containing all the information required for someone to choose an engine for an application. I’ll try not to cover motor constructional details, but rather their types, advantages, and application areas.   Type of DC electric motors used in robotic : Servo Stepper Brush-less DC Brushed DC Geared DC DC linear actuators Servo motors It is a self-contained electrical device that…

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