Unanswered Questions
7
votes
0answers
121 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 ...
6
votes
0answers
434 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 ...
5
votes
0answers
144 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 ...
5
votes
1answer
289 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 ...
4
votes
1answer
108 views
Reading SD card with Sparkfun MP3 Shield
So I am using an Arduino Mega with the Sparkfun MP3 shield. And I can't seem to read the µSD card. It's formatted in FAT32 and it has a single .txt file on it. I always get this error:
SD ...
4
votes
0answers
66 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
65 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
215 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
58 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
1answer
89 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
3answers
192 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
1answer
109 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
5k 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 pages,...
3
votes
0answers
27 views
write pwm with only 8 bit? (timer2)
i have a problem with the servo library. I need to read a ppm signal and create a pwm signal of each channel. The problem is that ppm has a higher resolution than pwm so i want to use the 16 bit ...
3
votes
1answer
41 views
is analogWrite() inferior to writing directly into registers
Im trying to control a DC motor's speed with my Arduino Mega analogWrite(), but it doesn't seem to function properly. The motor never completely slows down, just slows down a bit (which is still ...
