lego

Hacking the Lego EV3: Build Your Own Object Sensor “Eyes”

Although the Lego Mindstorms EV3 kit comes with a variety of cool sensors, wouldn’t it be awesome to build your own custom sensing device? This project will show you how to create your own unique object sensors for your Lego EV3 controller using basic electronic components found in your junk box or purchased from  distributors …

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How to connect a Lego Mindstorms NXT Ultrasonic Sensor to the Raspberry Pi

Abstract Directly connect a Lego Mindstorms NXT Ultrasonic Sensor to a Raspberry Pi. A TCA9517 I2C bus buffer and an additional GPIO pin for SCL is necessary. A short C++ program to read the measured distance is provided. Introduction Raspberry Pi (Pi), despite some shortcomings, is definitely my favorite SBC. By far the biggest community …

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