The ultrasonic sensors

February 17th, 2012 by Robot Technology | No Comments | Filed in Sensors

Ultrasonic sensorsUltrasonic sensors, also called ultrasonic rangefinders, are among the sensors to measure distances without contact. These sensors are particularly complementary infrared sensors, since, unlike them, they can monitor a wide conical. They are relatively well represented in the robotics community because of their good price / efficiency ratio. So, there are an increasing number of suppliers, with various models for various uses.

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Distance Measurement Using Ultrasonic and MSP430 Microcontroller

December 6th, 2011 by Robot Technology | No Comments | Filed in Microcontroller, Programming, Sensors

Ultrasonic Distance Sensor With the MSP430

This is the application report from Texas Instruments about distance measurement using ultrasonic and MSP430 microcontroller. The report is provided in PDF file, you may download the application report at the end of this post.

This application report describes a distance-measuring system determined by ultrasonic sound using the MSP430F413 ultralow-power microcontroller. The system transmits a burst of ultrasonic sound waves towards the subject point and after that receives the corresponding echo.

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Arduino Tutorial: Use a Piezo Element to Detect Vibration

November 26th, 2011 by Robot Technology | No Comments | Filed in Arduino Tutorials, Electronics, Microcontroller, Programming, Robotics Tutorial, Sensors, Software

Circuit Connection of Arduino Tutorial Piezo element to detect vibration

Arduino Tutorial: Use a Piezo Element to Detect Vibration. This tutorial shows you how to use a Piezo element to detect vibration, in this case, a knock on a door, table, or other solid surface.

A piezo is an electronic device that generates a voltage when it’s physically deformed by a vibration, sound wave, or mechanical strain. Similarly, when you put a voltage across a piezo, it vibrates and creates a tone. Piezos can be used both to play tones and to detect tones.

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Make a Robot : A Step by Step Robot Tutorial

March 29th, 2011 by Robot Technology | 1 Comment | Filed in Electronics, Mechanics, Microcontroller, Programming, Robotics Tutorial, Sensors, Software

This tutorial will show you how to make a robot easily. It’s very simple tutorial and of course it will be a low cost robot. You will get the knowledge about basic and simple mechanic design, simple robot schematic diagram, line following sensor, programming and more… This is a very great explanation of the tutorial how to make a robot. :)

make a robot

Download the document of step by step Make a Robot tutorial:

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Line Follower Tutorial based on ATMega16 + L298 Motor Driver

March 21st, 2010 by Robot Technology | 7 Comments | Filed in Electronics, Programming, Robotics Tutorial, Sensors

Here the another Line Follower robot tutorial… The diagram is quite simple and easy to build, easy to understand. The robot mechanical design not included, you may create the shape and the mechanical design of your line follower robot by your self. Just use motor gear box which have high torque… :)

Line follower robot diagram

This line follower robot use the following module:

  • Proximity sensor: 8 pcs of phototransistors
  • Microcontroller: ATMega16
  • Motor driver: L298 module
  • Programming language: C
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