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The Arduino Uno is the most common of the Arduino boards. It is based on the ATmega328P microcontroller.

2
votes
This seems to be possible with as3Glue as per the docs: as3Glue is an ActionScript 3 library that enables communication between Flash/Flex/AIR applications and Arduino boards. It can together with …
answered Mar 22 '14 by asheeshr
2
votes
2answers
I am working on a real time application which is recording sensor data continuously. I need to process the data in realtime using R. Is there a way to connect and communicate with the uno board throug …
asked Feb 12 '14 by asheeshr
1
vote
You have mixed up your comparison and assignment operators in two instances: First is towards the end of setup. for (int i = 0 ; i < 152 ; i++){ //if (currentID = i){ //This is assignment, n …
answered Mar 16 '14 by asheeshr
17
votes
2answers
In either of setup or loop, if I were to add an exit(0) call, where would control be passed to? What would the next state of the microcontroller be? Would it stop execution and power down? I am using …
asked Feb 14 '14 by asheeshr
15
votes
It is possible to do software side multi-threading on the Uno. Hardware level threading is not supported. To achieve multithreading, it will require the implementation of a basic scheduler and mainta …
answered Feb 18 '14 by asheeshr
15
votes
2answers
I am looking at using a 7 channel RC receiver with the Arduino Uno R3. In the documentation, there are mentions of a maximum of 2 interrupt pins, whereas on certain other blogs I have seen mentions of …
asked May 31 '14 by asheeshr
4
votes
1answer
When running the board at room temperature (20 C) without any extra cooling mechanisms added, how much can the Arduino Uno be overclocked? Also, what would I need to change/update to overclock the bo …
asked Mar 7 '14 by asheeshr
5
votes
User Side Changes Both revision 2 and 3 boards add four solder pads (JP2) connecting to pins PB4 to PB7 of the USB ATMEGA. Revision 2 and 3 boards are both supplied with header pins in the USB ATMEG …
answered Feb 13 '14 by asheeshr
12
votes
3answers
I have a uno that I have been using for 3 years now. I will be using it again in a rather critical project in which failure on the part of the board could be rather expensive and dangerous. So, I woul …
asked Feb 12 '14 by asheeshr
4
votes
One of the sections of the Arduino that is likely to become unreliable over time is its memory. There are three pools of memory in the microcontroller used on avr-based Arduino boards: Flash memory …
answered Feb 12 '14 by asheeshr
4
votes
The only issue that may create an incompatibility seems to be the IOREF pin next the 5V output pin which is extra on Revision 3 but not in Revision 2. However, I just had a look at the board schemati …
answered Feb 12 '14 by asheeshr
9
votes
If safety is a major concern, then you should almost always load a stop* sketch onto the board before calling it a day. This would be a good idea, for example, when your board is semi-permanently a pa …
answered Mar 2 '14 by asheeshr
8
votes
There are three power supply pins on the Arduino Uno and on the Mega: 5V - Labelled as 5V. Can be used to power other 5V devices. 3.3V - Labelled as 3.3V. Can be used to power other 3.3V devices. Vi …
answered Mar 16 '14 by asheeshr
1
vote
1answer
I am working on a UAV and we are currently exploring inertial measurement units or IMUs. The two options that we have come across are: Using an Arduino Uno and a 9 DOF IMU like this one Using an Ard …
asked Mar 2 '14 by asheeshr
2
votes
GET /ilyen_nincs HTTP/1.1\n is 26 characters long so string indices are from 0 to 25. Since, your second argument in substring(0, firstEOLAt); exceeds the end index of the string, you are running into …
answered May 31 '14 by asheeshr