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Blogs about Arduino

Blogs about Arduino

  • Set your pulse racing with Genuino 101 and Bluetooth LE


    With just a few components and lines of code we have a pretty impressive heart rate monitoring device that connects wirelessly over Bluetooth to an app on a smart phone, opening up all kinds of exciting possibilities for sensing IoT applications.


    • Invention for Schools Contest


      The "Invention for Schools Contest" is held by the HKU Faculty of Engineering, supported by HKU Knowledge Exchange Fund. Over a hundred students from primary 2 to secondary 5 joined the competition. They are required to use credit card-sized computers to build inventions that could be useful to their schools. A series of talks were conducted in October to December to enhance the participants' understanding of credit card-sized computers, such as Raspberry Pi and Arduino.


      • CNC Build #3 Electrical Build of Gantry and Control Panel


        Now we have the mechanical build out of the way, it is time to focus on wiring up the Gantry and the Control Panel, and this is where we get to add all the electronics. There are many ways to drive Stepper Motors and CNC machines, in this post I will only focus on one. I will investigate and show others in future posts The parts for this build all came from RS Components with the exception of the Arduino UNO but this can also be supplied from RS if needed. OPTO Isolators and an Arduino Proto Board was also used and is easy to source. WARNING: This part of the build involves MAINS and the rules and codes required vary between regions and countries. Also if you don’t know what you’re doing, you could KILL yourself so seek experienced help if needed. My installation is based on using 110V, yours may differ. Plan and take extreme care here.


        • CNC Build #1 Build a CNC to learn about Motion Control and automation.


          This is the beginning of a series on building a CNC for two purposes 1. it’s cool and would be a fun addition to anyone’s LAB or Workshop 2. It will be a great platform to demonstrate and learn about several practical uses of technology that are used I’m many devices found in the Home or industry I am doing this because I think that many Engineers and Hobbyists are intimidated about making something like this because it looks too complicated or hard, it’s not and this series should help to show that. I will start by taking you through my build but without too much detail about any one thing and later re-visit each area to go into practical detail on Steppers and Servos Drive Control Power Supplies Sensing of limits and why this is important Other stuff as I think of it or viewers ask for it It should be a fun series


          • Flowcode & Arduino workshop


            Teaching programming? Learning programming? New to Arduino programming? Learn about programming Arduino at our workshop in December The Arduino craze has taken the electronics world by storm.


            • How wearable electronics is rapidly evolving


              Making electronic systems wearable is an increasingly popular design option. Advances in process technology and wireless protocols have enabled wearable electronics to be integrated into a wide range of form factors for many different applications, and this is just the start for the technology.


              • Using Flowcode and Eblocks to create Arcade Games – Pong


                One of the best ways to learn programming is to create a game. It forces your hand to try and keep things fast and efficient but also when your finished it gives you something entertaining you can play and share with your friends. In this article we demonstrate how to quickly develop a simple Pong game with Flowcode, and also implement it into hardware using E-Blocks.