Arduino Weekly Newsletter - Wednesday, July 29, 2015

Arduino newsletter

Top new questions this week: Printing SD card file contents on LCD This is a part of my program which reads data from file stored in SD card and displays that on an LCD screen. File dataFile = SD.open("1165.txt"); if (dataFile) { Serial.println("File ... arduino-mega c++ lcd sd-card   asked by TP Ap 2 votes answered by wingleader 0 votes Is the sim900 3g? Or is the sim900A able to connect to 3g? I would like to state that I am not familiar with the whole cellular connection thing. But I was wondering if the sim900/or/sim900A is 3G and will work with PTel Mobile. I need this Arduino to be ... shields gsm communication   asked by Ondeckshooting 2 votes answered by TP Ap 2 votes How can I build a simple "Smartwatch" with Arduino Pro Mini and Display? I want to know how I can build a simple "Smartwatch" with an Arduino Pro Mini and an Display with a size from Maybe 1,5" what Display should i use for Touch and color ? I only want simple thinks like ... bluetooth arduino-pro-mini   asked by Fabio B. 1 vote answered by futurebird 0 votes Suggest me a power source for my this arduino uno project I am working on a Project with a. 1 Arduino UNO b. 5 micro 9g servos (Only one Working at a time) c. 2 small LED bulbs d. 1 MicroSd reader module e. 1 Speaker Can I power my arduino UNO with a common ... power   asked by Ranjan Jha 1 vote answered by Greenonline 2 votes Arduino UNO not working? Recently I assembled my Shapeoko machine, we used Grbl shield with an Uno for the same. For 1-2 weeks everything worked perfectly then once when I tried to work the machine, the serial communication ... arduino-uno motor   asked by Chris Thaliyath 1 vote Using union to return a range of bits from a data frame: wrong approach? I'm working on an adaptation of Jason Leyrer's Guitar Hero Library for Arduino. My version is for a DJ Hero controller, and I've also borrowed some code from this Arduino forum thread: topic=120527 ... arduino-mega i2c library data-type byte-order   asked by rozling 1 vote answered by Nick Gammon 1 vote Powering 30+ LEDs and flickering one at random I'd like to power 30+ LEDs, while having a single LED (at random) flicker every 10-15 seconds. Is this possible to do using an Arduino? I totally new to this so please bear with me. This is the type ... led   asked by Bataleon 1 vote answered by AMADANON Inc. 1 vote Greatest hits from previous weeks: How high of a baud rate can I go (without errors)? The standard is 9600 baud. That's just the standard. Using a Arduino Uno SMD R2, what is the highest practical baud rate I can achieve? Bonus points for the audacious: How would you go about creating ... arduino-uno-smd   asked by Annonomus Penguin 11 votes answered by Connor Wolf 25 votes How to identify Arduino Mini Pro 5v vs 3.3v I have many Arduino Mini Pro, every from different seller. Few are 3.3v and most 5v. I had to clean table for Xmas and now I do not have any idea how to identify 3.3v Arduinos. They do not have any ... voltage-level   asked by Max 1 vote answered by Jon 4 votes Can you answer this? IDE not acknowldeging "freeduino" port I have a freeduino and am trying to upload sketches to it. But the COM port is not listed in the arduino IDE. I've installed drivers and the rest but still the problem persists. An error code (code ... arduino-uno uploading compile   asked by vpp 1 vote

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