Sensor – Transducer – Detector Projects

Infrared Rangefinder

Homemade Infrared Rangefinder (Similar to Sharp GP2D120) using Arduino

Here is my instructable on how to construct a pretty simple (for some!) short range infrared rangefinder/range sensor. Infrared rangefinders are very useful in a number of projects. The majority of these come from obstacle detection (in robots) or generally detecting distances! The one shown here is only a simple rangefinder and will only really

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Arduino Calibration

Calibrating sensor input using Arduino

This example demonstrates one techinque for calibrating sensor input. The Arduino takes sensor readings for five seconds during the startup, and tracks the highest and lowest values it gets. These sensor readings during the first five seconds of the sketch execution define the minimum and maximum of expected values for the readings taken during the

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SensoDuino 1

SensoDuino: Turn Your Android Phone into a Wireless Sensors Hub for Arduino

UPDATES Nov 23, 2013: SensoDuino 0.160 gets a face left. Nov 19. 2031: OPINION: The Amazing Synergy Between Arduino & Android. Nov 19, 2013: SensoDuino 0.159 is out. Android phone date (y,m,d) and time (h,m,s) are supported as sensors. Support for Android KitKat (4.4/API 19). INTRODUCTION Think of SensoDuino as having over a dozen virtual shields for your Arduino each

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Better LED as light sensor

Better LED as light sensor

As a result of the questions from lekirst  on this ible of my hand: LED-as-lightsensor-on-the-arduino/ and the cleaner code made by hansc44 at:  Arduino-Use-LED-as-a-light-sensor/ it was time to come with a better Ible. So here it is. (I didn’t solve lekirst’s problems yet so she probably is open for suggestions) What is the idea? You might know that a LED emits light

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DIY Muscle Sensor EMG Circuit for a Microcontroller

DIY Muscle Sensor / EMG Circuit for a Microcontroller

Measuring muscle activation via electric potential, referred to as electromyography (EMG) , has traditionally been used for medical research and diagnosis of neuromuscular disorders. However, with the advent of ever shrinking yet more powerful microcontrollers and integrated circuits, EMG circuits and sensors have found their way into prosthetics, robotics and other control systems. Yet, EMG

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