12 votes

How to get HTTPS on Arduino?

(Disclaimer: I'm actually the author of the evothings.com article) The Arduino UNO is more than capable at doing TLS. I've just finished up a blog post series on the topic. I have a working example of ...
Aaron Ardiri's user avatar
5 votes

How to do with fzz file

Download and install the open-source, Fritzing CAD software for electronics hobbyist and open the .fzz file with that. Versions are available for Linux, Mac, and Windows. Installation instructions ...
sempaiscuba's user avatar
  • 1,032
5 votes
Accepted

Does the Arduino Yun have to be powered exactly at 5V?

It is fine. That is only 2% too high. The microcontroller is the ATmega32U4 and it can have 5.5V. The wifi module runs at 3.3V, and it has a voltage regulator. Some voltage is also lost in the cable. ...
Jot's user avatar
  • 3,246
4 votes

Are there any advantages to Wifi shields as opposed to a Yun?

There's a number of things to consider that could sway your choice one way or another: Power consumption The Uno is a small low-power chip to which you add WiFi. The Yun is an Arduino Leonardo with ...
Majenko's user avatar
  • 105k
4 votes

Which Arduino is the most suitable for my project?

Both Mega 2560 and Due can handle 4 channels of 1,440 samples per second A-to-D and the least significant byte of the system time stamp sent as a continuous stream of vectors through the USB port to ...
Douglas Daseeco's user avatar
3 votes

What Arduino board with WiFi should I choose

I'd recommend ESP8266 (model 07) based board. Can be programmed the same way as other Arduinos Cheap Enough storage for code Fairly low power Large community (more code examples and better library ...
Avamander's user avatar
  • 624
3 votes
Accepted

easy_install pip on Arduino Yun fails

Found this Arduino Forum Thread helpful. # wget \ https://pypi.python.org/packages/source/p/pip/pip-6.0.8.tar.gz#md5=2332e6f97e75ded3bddde0ced01dbda3\ --no-check-certificate # easy_install pip-6.0....
Shan-Desai's user avatar
3 votes
Accepted

Arduino - Push Button State Problem

you will need to implement a edge sensor. Add a previousTouchsensorState to the globals and replace the if where you check the sensor state with: if(previousTouchsensorState == LOW && ...
ratchet freak's user avatar
2 votes

How to make an arduino wifi repeater?

Get a very cheap module called ESP8266, particularly the ESP-01, then flash a program called esp_wifi_repeater (which uses the arduino IDE) https://github.com/martin-ger/esp_wifi_repeater I have ...
user53712's user avatar
2 votes
Accepted

How to copy files from Yun to local computer?

You simply reverse the arguments. Whatever you used to copy a file to the Yun you just do the opposite to copy from the Yun. For instance, if you copied to the Yun using: scp /my/local/file root@...
Majenko's user avatar
  • 105k
2 votes

Should I buy a retired Arduino?

It is retired so will I have any problem? It depends on what you want to do with your arduino. If you need a project that requires future support then dont buy a retired board. If you just want to do ...
RS2322016's user avatar
  • 384
2 votes

How do I program my Arduino Yun Shield when I keep getting this AVRDUDE error message?

Make sure the board selected in the Yun Shield is the correct one (in this case Arduino UNO). Steps for selecting the board on the Yun Shield In your web browser load the Yun Shield page and log in (...
Štefan Schindler's user avatar
2 votes

Arduino Yun Analog Read Problem

You are not reading from any analog pins. You are just printing out the digital pin number of the analog pin. Look at some basic examples on how to read analog values. /* AnalogReadSerial Reads ...
gre_gor's user avatar
  • 1,682
2 votes
Accepted

Stop Arduino Timer after some seconds

You set a timestamp = millis() when the button is pushed and then you disable the buzzer only when millis() - timestamp > timeout if (touchsensorState == HIGH) { // buzzer will emit sound: ...
ratchet freak's user avatar
2 votes
Accepted

Arduino Yun Disk Expander low memory but it looks like my memory is fine

I don't have a YUN or a lot of experience with OpenWRT, so I'm not sure I'm going to be of much help but, I'm guessing the error you're seeing is from this line of the sketch. Excerpting that here: ...
timemage's user avatar
  • 5,221
2 votes
Accepted

Arduino Yun not getting response from Azure API

Found the problem, even though I set azure to accept http requests, it was still redirecting to https which the arduino couldn't handle. I've written a python script to offload the requests to the ...
Aevo 55's user avatar
  • 31
1 vote

What is the best type of Arduino board for simple delivery robot?

Arduino UNO is the best arduino board for simple projects. but if you want to add modules like LCD screen and some wireless sensors like bluetooth and RF and you want to make it with more motors then ...
sarat chandra's user avatar
1 vote

Using Arduino GSM with WiFi

ESP is a full stack WiFi module. If you are intended to collect some data from several ESPs you can configure one more as an access point and collect those data from other ESPs as stations. At access ...
Maxim Voronko's user avatar
1 vote

Send commands to Arduino from the WEB

It becomes lots easier if you see the yun as a linux computer with a arduino connected over serial. Then the question becomes: what is the best way to send commands over the internet to a (linux) ...
jantje's user avatar
  • 1,382
1 vote

How do I program my Arduino Yun Shield when I keep getting this AVRDUDE error message?

Apparently there is no ATMega32U4 on that board but ATmega328P according to the signature 0x1e950f. Anyway, you may have to change or add new board with correct MCU setting. Now I can see the ...
KIIV's user avatar
  • 4,752
1 vote

Arduino Keyboard - print() works but println() does not

Please test: Keyboard.print("Hello world.\n"); ... That works. println still doesn't. I'm going to guess here that println is doing something odd in the Yun libraries. I note that the Keyboard....
Nick Gammon's user avatar
  • 38.2k
1 vote

Combine DHT22 and SI114X.h

I found the solution. Based on this post: http://forum.arduino.cc/index.php?topic=198433.0 I concluded that my strings are too long or my board runs out of memory. I removed the posting of the bucket ...
Sander's user avatar
  • 29
1 vote

Should I buy a retired Arduino?

The question of the Arduino Yun being retired can be answered here: http://www.arduino.org/forums/yun/retriered-boards-894?p=3495&hilit=Retired#p3495 At least regarding Arduino.org the answer is ...
JoB's user avatar
  • 63
1 vote
Accepted

Should I buy a retired Arduino?

When a board is retired, it may: - get no support (never had support from Arduino zelf though) - not be readily available. Which may or may nog be a problem. The biggest problemen with retired boards ...
aaa's user avatar
  • 2,695
1 vote

Using Arduino Yún to send data through Ethernet

There are three bits of information you need to know: The Ethernet port is connected to a tiny Linux computer On Linux you can do HTTP POST and HTTP GET using a program called cURL The AVR chip can ...
Majenko's user avatar
  • 105k
1 vote
Accepted

Is it possible to connect a camera to an arduino?

Yes. Check out ArduCam. Do a google search. http://www.arducam.com
PhillyNJ's user avatar
  • 1,178
1 vote

Arduino yun is not creating it's wifi?

Perhaps you need to reset wiffi. Press for 3 seconds. After this you must await for a while. Some leds will open and close. This process takes about 2 or 3 minutes. After this. Your white led will be ...
Oscar C.'s user avatar
1 vote

Arduino yun is not creating it's wifi?

If there is no code that enables the WiFi, it won't be enabled. Here's the link: https://www.arduino.cc/en/Guide/ArduinoYun#toc14
HKYL's user avatar
  • 11
1 vote

Extracting a specific sequence of characters from an array

You can simply chop it up in place without requiring more than a few extra bytes of RAM using strtok(): char storebuffer[] = "ssid=abcdef&pswd=ghijk"; // Slice it into two parts around the &:...
Majenko's user avatar
  • 105k
1 vote

wifi failled connection with yun and after upgrading openwrt

Find out if the Linux system is running. Maybe you mistyped your WiFi password. Try the Following: connect via Ethernet check your router to see if the Yun request an IP via DHCP If unsuccessful ...
JoB's user avatar
  • 63

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