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Arduino: measuring current: use a current shunt monitor

Measuring current with an Arduino or any other microcontroller is not as simple as measuring voltages directly with the Arduinos/microcontrollers ADC. In most cases a designer would use a current shunt amplifier/monitor. At first I started with the MAX9634F current shunt amplifier (CSA) in my design. The company Touchstone Semiconductor offers ...

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September 19, 2012

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OLIMEXINO-328: the better Arduino?

Today I would like to introduce you to a nice Arduino Duemilanove clone, the OLIMEXINO-328 from Olimex. It has been kindly provided by de.farnell.com. Some information about the board can be found here: OLIMEXINO-328 manual: http://www.olimex.com/dev/DUINO/OLIMEXINO-328/OLIMEXINO-328-REVB.pdf OLIMEXINO-328 schematic: http://www.olimex.com/dev/DUINO/OLIMEXINO-328/OLIMEXINO-328-schematic.pdf Link to product page: http://de.farnell.com/olimex/olimexino-328/bord-dev-olimexino-atmega328/dp/2061327?Ntt=OLIMEXINO-328 The board is fully compatible with the Arduino IDE. Connecting and ...

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Juni 4, 2012

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Arduino: OLED I2C display and Lightning Shield

Currently I'm working on two Arduino projects, both will upgrade my weather station. OLED I2C display The OLED is connected to an Arduino Nano via I2C and it measures the current voltage of the solar powered batteries. The OLED display is available at wide.hk for 16$. Lightning Shield The other project is pretty ...

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Mai 5, 2012

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Arduino: Speech control with the EasyVR Shield

Introduction Recently I've found an quite interesting Arduino shield on: http://www.veear.eu/Products/EasyVRShield.aspx. Using this shield you can control your Arduino using speech commands. The shield consists of these components: - EasyVR Arduino Shield (includes EasyVR module) - Microphone On the website you can also find following free software downloads (see link above): - User manual - EasyVR Commander - ...

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März 19, 2012

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Arduino quickie: add a watch-dog to your application

This is a small hint, how to add a watch-dog to your Arduino application. I'm using the Arduino in 24/7 mode in my weather station. For unknow reason the software sends no data to our host system, it got stucked somewhere. So I added the watch-dog to prevent this. Adding this ...

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Oktober 3, 2011

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Arduino: Weather-Shield – schematics, layout, code, … – everything you need

I've been working quite a while on my weather station project. Since the first version of the hardware had some bugs, I redesigned the electronics from scratch and created a weather shield for the Arduino. So here it is: Overview: The shield has several sensors: - barometric pressure sensor - BMP085, from Bosch, ...

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August 14, 2011

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Arduino: neues vom Weather-Shield

Eigentlich könnte alles so einfach sein, aber wenns so einfach wäre, könnte es ja jeder, z.B. Elektronik entwickeln. ;) So zieht sich die Fertigstellung der Hardware des Weather-Shield für die Arduino-Plattform schon wieder ein paar Monate hin. Der Schuldige ist auch ausgemacht, es ist der Barometrische Luftdrucksensor BMP085 von Bosch. (Der ...

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Juli 20, 2011

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Arduino Pan&Tilt-System

On this page we present the Arduino Pan&Tilt-System. An Arduino controlls a Canon Ixus Camera and two servos of the camera pan&tilt system from Lynxmotion. We also designed a aluminium plate where all parts are mounted on. You can use this design to make ultra-mega- or even giga-pixel images or make ...

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Oktober 14, 2010

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Arduino with hall sensor

In this article I will show you, how easy it is to sense a magnetic field with an Arduino. At first I will describe the electronic circuit, then I present the small code necessary for this design. Electronic circuit: All we need is a hall sensor, two capacitors, one resistor and some ...

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September 2, 2010

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Hack a Canon camera and controll it with an Arduino

For our Z-Pan-&Tilt-System I needed to controll a camera with an Arduino. My first plan was to use a servo motor to switch the snapshot button of the camera. But this approach would be very complex. So I thought of bypassing the snapshot button with an electronic hack. At first I ...

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Juli 20, 2010

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Arduino Roboter – Mein POP-Bot Standard ist da!

Ich bin ziemlich aus dem Häuschen. Heute habe ich zum ersten mal meinen Pop-Bot zum laufen gebracht. Bevor mir jetzt wieder vorgeworfen wird, dass ich immer nur vollnerdiges Zeug absondere hier ein Bild. Der Zusammenbau des kleinen Roboters war trotz 2 linker Händer, nebst 10 Daumen überaschend einfach. Zwar braucht es ...

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April 26, 2010

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Die endgeniale Arduino Drum-Maschine

Die Zeit der langweiligen analogen ein-mann Entertainier ist endgültig vorbei. Jeder durchschnittliche Geek kann sich inzwichen geniale Apparate selber zusammenzimmern. Früher hat man für Konzerte dieser Art noch 5 Rastamänner gebraucht, jetzt bedarf es nur noch eines Arduinos und zweier Wii-Motes. Cool oder? Da kommt man fast in die Versuchung sowas ...

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Februar 27, 2010

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Human Synthesizer mit dem Arduino

Genial. Einen Arduino Mega habe ich schonmal - aber wo kriegt man so viele Frauen für einen Human Synthesizer her? Die Theorie dahinter ist ganz simpel - der Arduino checkt einfach ob die Schaltung aus Typ und Bikinibabe oder Bikinebabe und Bikinibabe geschlossen ist. Damit die Körper leiten, wurden sie teilweise ...

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September 29, 2009

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Arduino + EthernetShield + Shaun Inman’s Mint + LCD-Display = ZipfelMint

I'm addicted. In every spare minute I have to have a look at the ongoings on my website. So I decided to build a little device, that helps me to keep track of the current visitors on Zipfelmaus.com. While you are watching this you have already increased the Number of Today's ...

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September 28, 2009

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Arduino Ethernet Shield. Issues with Lighttpd and/or router. How to get the example code running.

A few days ago i tried to get the WebClient example in Arduino working. After some hours of frustration I finally stopped working and googled for a solution. Soon I realized that I was not the only person having this problem. The example code does not work behind a router. (UPDATE: ...

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September 24, 2009