Pulse Width Modulators
Pulse Width Modulators, also called PWMs, are relatively new in the world of electronics. Before PWMs, usually a variable resistance (a rheostat) was used to control the voltage applied to a motor,...
View ArticleIdentification tags in competitions
Vision based competitions require that you track robots and objects in real time. Whether its a ball or block that you need to place in the correct position, you need to identify the robot’s exact...
View ArticleThe three motors you’ll ever use in robotics
Robotics makes great use of motors. They rotate and do things you expect your robot to do. Pot a ball, hold a can or salute you! Here’s a list of three different types of motors that you’ll use when...
View ArticleThe secret to wininng (almost) any robotics competition
What? Planning to take part in some robotics event? Is it RoboCup? Or is it a national level competition at some technical festival? Whatever be the case, there is one secret to actually win pretty...
View ArticleRobocup soccer rules for the Small Sized League (SSL)
What is robocup? The RoboCup Small Sized League is a team based competition. You must create a team of robots that can play soccer/football/whatever you call it. Your team will compete against another...
View ArticleL293D: An H-Bridge
H-what? An H-Bridge is nothing but an electronic circuit. Using such a circuit, you can supply current in two directions. Thats it. The L293D is an H-Bridge with two possible outputs. Meaning, you can...
View Article78xx voltage regulator
Without the 78xx ICs Different parts of a robot require different voltages. Motors usually run on high voltages, like 12V or 36V. Microcontrollers run on 3.3V or 5V. Electromagnets work on even greater...
View ArticleHow servo motors work?
What is a servo? A servo is a small motor that you can position at any angle very accurately. It contains internal circuits that will automatically maintain that particular angle. However, you cannot...
View ArticleSimple motor driver circuit
Components used For this project, we’ll be using the following components: One L293D H Bridge One 7805 voltage regulator One 7812 voltage regulator Four capacitors, around 10uF Two DC motors The...
View ArticleThe bare minimum robotics toolkit
If you’re into robotics, there are some things that are a must have. They help you do your thing efficiently. So here’s the list of things that is absolutely essential. 1. Multimeter When your circuits...
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