Tag Archives: pixycam

Guide to using the PixyCAM Camera’s EV3-G Blocks

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In this article, I attempt to describe the LEGO PixyCAM block, which is used in conjunction with the LEGO Mindstorms EV3 Software. Check out the “Getting Started with the LEGO Mindstorms & the PixyCAM” Article for information on how to install the PixyCAM modules (Blocks) into Mindstorms EV3-G Software.

Getting Started with the LEGO Mindstorms & the PixyCAM

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I trust this article will get you up an running quickly with PixyCAM and the LEGO Mindstorms EV3 (NXT). Please make sure you have a LEGO Mindstorms EV3 or NXT brick with a fresh set of batteries. I will endeavor to be as detailed as possible throughout this guide, but it helps if you are somewhat familiar on how to use your LEGO Mindstorms Robotics System.

Connecting the PixyCAM to LEGO Mindstorms using I2C

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In order to use the PixyCAM with the LEGO Mindstorms EV3 or NXT kit, you will need an I2C Adapter Cable. You can order a cable through some PixyCAM distributors, including the Robotshop. The PixyCAM for LEGO Mindstorms comes with a special Pixy-to-Mindstorms Cable, and is preloaded with a version of the firmware that speaks with the LEGO protocol by default. If you have Pixy for LEGO, just to the PixyMon Settings section below.

Teaching the PixyCAM Camera an Object

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Teaching PixyCAM an object is super easy. Before we start, which objects will work well with PPixyCAM, and which wont? PixyCAM uses a hue-based colour filtering algorithm to detect objects. Since PixyCAM uses hue (colour), the object needs to have a distinct hue. Here are some objects that are good because they have good, distinct hues.



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