Unanswered Questions

6
votes
0answers
91 views

Mysterious RX pulses on UART connect on OS X Arduino Due

Arduino IDE 1.6.8, Arduino Due, Mac OS 10.11.3 I am seeing eight mysterious pulses on the RX line when I connect to the serial port using multiple client libraries (Python, JavaScript as well as the ...
5
votes
0answers
318 views

Update Dynamically Tkinter Widget Scale from Arduino Ports using python and firmata

I'm having trouble trying to get Arduino digital ports values and set these values into a Python Tkinter Widget Scale. I'm using Python and Arduino with Firmata. I'm able to access my arduino board ...
4
votes
0answers
72 views

Wire.h not found!

Here's the code that's making this error: #include "Wire.h" Here's the error: fatal error: Wire.h: No such file or directory #include "Wire.h" ^ compilation terminated. Error ...
4
votes
0answers
92 views

Why does pulse sensor shows gaps when I move it?

I modified the serial code in this way and I don't think the gap is produced by my edit even because it made it even before: ////////// ///////// All Serial Handling Code, ///////// It's ...
4
votes
0answers
45 views

I can't seem to receive data to the ArduinoStudio serial monitor on ubuntu 14.04

I'm using the Arduino Starter Kit so I have a Uno R3 and going through the examples I'm trying to read temperature data from my controller in Arduino Studio. In essence my problem can be reduced down ...
4
votes
0answers
51 views

RePaper 2.7" eInk Display with Arduino Due

I got a RePaper 2.7' eInk display that unfortunately doesn't supports Arduino Mega because of its limited SRAM capacity (8k bytes). I am porting the library for Arduino Due because its sufficient RAM ...
4
votes
1answer
159 views

On Arduino Due webserver, there is a 5 second delay on Windows, only when connected via native port

My Due webserver was working perfectly fine for months when connected to Linux via the native port. But when connected to Windows 10 via the native port, if the Arduino webserver is idle for about 5 ...
4
votes
0answers
50 views

Cloud function getting stopped Parse.com in loop when calling from Arduino-yun

I have created cloud function using Parse.com Javascript SDK and i am calling those functions from Arduino.Following is code for function hello Parse.Cloud.define("hello", function(request, response) ...
4
votes
0answers
61 views

Simple Arduino Bluetooth Shield Android Display

Great day ! I need help on my Arduino code. Here is my setup LM35 connected to Arduino with output connected to Analog 0 Temperature computation work and serial monitor displays the correct reading ...
4
votes
2answers
136 views

Decoding IR codes with IR sensor rather than IR receiver module

I'm looking for a library to decode RAW IR signals from an IR sensor (looks like a black LED, two legged) rather than an IR module (3 legged, rated for a particular frequency - such as 38kHz). Is ...
4
votes
0answers
68 views

RTC resets when power is off

I have a few RTC modules with a batteries. All of them have this same issue with my project. They work fine when connected via USB. But if I disconnect the power then reconnect they reset to Jan 1 ...
4
votes
1answer
4k views

How to connect new OV7670 FIFO to Arduino?

I bought a new OV7670 FIFO camera to connect to my Arduino UNO a few days ago. The picture of the cam board: I found this forum, it is nice try but it looks chaotic and confusing with about 50 ...
4
votes
0answers
237 views

Programmatically Upload Arduino Sketch From Android App

I am attempting to build an Android app from which I can can upload a .hex file to my Arduino(Leonardo). I am aware of a few apps in the Google Play store that are capable of this functionality but I ...
3
votes
1answer
29 views

Why/when to use IoT publish/subscribe protocols rather then RESTful HTTP?

I am sending data (GPS coordinates) from Arduino once a minute with HTTP POST request to REST API (in OpenShift PaaS). Data is then stored to MySQL db. Would so called "IoT" publish/subscribe ...
3
votes
0answers
21 views

arduino + GSM/GPRS SIM 900A cannot able to read a message

Here I am using Arduino uno and GSM sim900A, I want to read sms from sim900A. But i am trying to read message, it is showing the empty values. I tried different methods, but no use. Here I have added ...

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