Arduino weather station part 2 using arduino

Sometimes I just do not have time to connect to the internet and check current weather conditions. This is the reason why I made this indoor LCD weather display based on Atmega328 Arduino MCU. The circuit board consists of two LP2950 voltage regulators, MCU, four buttons, ENC28J60 Ethernet module and LCD12864 graphic display module. The Ethernet module is used to connect to this website and to download curr ...

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Cheap Arduino Controled Yogurt Maker

These days I was reading an interesting post on how to make yogurt "by the gallon" (http://www.instructables.com/id/Yogurt-By-The-Gallon/). One thing needed was to maintain a rather constant temperature of 43ºC (110°F), so the bacteria can grow properly. Though you can buy commercial yogurt makers, they aren't big enough for a gallon of yogurt. Besides, it's cheaper (and way more fun) to build one yourself. ...

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Low Cost LED Grid

There are a number of great Instructables on LED grids out there.  This is a low cost version - not quite as polished, but easy to make. This project uses a couple of sheets of foam core, a fluorescent fixture cover from the local home store, a cut up strip of WS2812b LEDs, and an Arduino.  All fairly inexpensive if you know where to get them (info below). [box color="#985D00" bg="#FFF8CB" font="verdana" fo ...

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Make an Attiny13 based IR proximity sensor

This is an extremely cheap IR proximity sensor you can make with a few cheap parts and an AVR programmer. I use an Arduino as my programmer in this Instructable. This sensor only has a range of about 3 inches. You can easily add more LEDs or brighter ones to extend the range. You can also easily re-arrange the LEDS to detect when a beam is broken as well. The design takes advantage of a cheap AVR (computer ...

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Arduino Lesson 13. DC Motors

The small DC motor, is likely to use more power than an Arduino digital output can handle directly. If we tried to connect the motor straight to an Arduino pin, there is a good chance that it could damage the Arduino. A small transistor like the PN2222 can be used as a switch that uses just a little current from the Arduino digital output to control the much bigger current of the motor. The transistor has t ...

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ESP8266 Web Server Tutorial

Written by Rui Santos - Download free eBook with Arduino projects here If you want to learn more about the ESP8266 module, first read my Getting Started Guide for the ESP8266 WiFi Module. In this project you’ll create a standalone web server with an ESP8266 that can toggle two LEDs. Why flashing your ESP8266 module with NodeMCU? NodeMCU is a firmware that allows you to program the ESP8266 modules with LUA s ...

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Simple AM Receiver Project

This License Agreement and Terms of Use (the "Agreement") is a legally-binding agreement between you and Digi-Key Corporation ("Digi-Key"), the owner of the schematic design software application, Scheme-It (the "Application"). As used in this Agreement, the capitalized term "the Application" means the Application and any authorized website on which the Application is found. BY CLICKING THE "I ACCEPT" BOX, Y ...

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Google Weather on graphical display with Arduino

In this project, I am using an Arduino board to show forecast of the weather from Google Weather service on a VGA screen. The display is obviously graphical one, with icons and some colorful text. It is one of those gadgets I wanted to have for some time now – A weather forecasting display that is there just like the wall clock. Yes I know you got nicer looking things on your angry-birds machine... I simply ...

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Bluetooth plus Infrared Controlled Robotic Arm

Hi. I’m Darren a 17 year old hobbyist, and this is the first Instructable I’m posting here, so I apologize if it kinda sucks! I hope it's good enough... So how did the idea of a robotic arm come to me? Well, the first thing I remember is our chemistry teacher (!) coming to me yelling that she has a project for me. It was for science Olympiad, however, apparently it was different from all the others, "someth ...

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How to make an Arduino shield with Eagle CAD – Tutorial

There are many CAD developed to assist the electronic designers during drawing of PCBs and schematics; often they are integrated in complete suite to project, simulate and realize a whole electronic system. Besides the many commercial versions, there are also free CADs available. Today we’d like to analyze one of the most diffused and known software: Eaglecad (eagle does not mean the powerful bird but it is ...

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Arduino CNC

Hi, this is my first instructable and I hope to do more. This project was for 'Creative Electronics', a Beng Electronics Engineering 4th year module at the University of Málaga, School of Telecommunications. http://www.etsit.uma.es/ It's a cnc using Arduino UNO R3 , GCode Sender and GRBL. The cnc is made of wood thanks to the help of my father. It has taken us many hours to do the mechanical part however th ...

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Hamburg Maker Meeting 2012 and Arduino Due preview

Hamburg Maker Meeting 2012, which took place last week and involved about 200 visitors and more than 20 exhibitors, has been a fantastic opportunity to meet and share experience regarding several topics, such as 3D printing, hacking, retro gaming and so on. At the Attraktor Makerspace, several projects have been presented and demonstrated by their inventors, among which we highlight a very nice Arduino-base ...

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