Unanswered Questions

9
votes
0answers
164 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 ...
8
votes
0answers
540 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 ...
6
votes
2answers
108 views

Using SPI without driving MISO

I am developing an application where an Arduino Pro Mini communicates with a 12-bit ADC over SPI. The communication is one-way, meaning that the ADC will only send data back to the Arduino, not ...
6
votes
0answers
95 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 ...
5
votes
0answers
44 views

SOLVED - Waking up async the Arduino while it's sleeping periodically

The solution is below. I´m using LowPower.h and PinChangeInt.h libraries to put my Arduino into the sleep mode every 8 seconds and then it wakes up, modifies a counter and it goes to sleep again, but ...
5
votes
1answer
86 views

Replacement crystal on Uno for cold temperatures

I want to run an arduino out in the cold (-40), and use the serial communication - I believe that the crystal is the weakest link (the one for the serial chip) - however I don't see any drop-in (...
5
votes
0answers
46 views

Trouble connecting Arduino Pro Mini (Atmega328, 3.3V) to nRF24L01 over SPI, receiving all 0 values when I use radio.printDetails();

I am trying to connect my Arduino Pro Mini 3.3V to an nRF24L01 transceiver and cannot see what I am doing wrong. I've checked my wiring a million times because the problem hints there is an invalid or ...
5
votes
0answers
59 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 ...
5
votes
1answer
116 views

Problems with transmission between ATtiny85 and Arduino Uno with 433MHz RF modules and Manchester

I am trying to transmit from an ATtiny85 running at 16MHz internal clock to an Arduino Uno with the Manchester Library. The problem is that the Arduino is not receiving any data. I have hooked an ...
5
votes
0answers
89 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 ...
5
votes
1answer
260 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 ...
5
votes
0answers
64 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) ...
5
votes
0answers
155 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
0answers
30 views

Can Atmel Studio 6 Simulator simulate SPI?

I am trying to do PAL composite video output with Arduino Nano. I am using Atmel Studio 6, not the Arduino IDE. I am sending out the picture data via SPI. On the TV I could not see the text I tried to ...
4
votes
0answers
44 views

Servo.attach method causing strange issue

I am using the L298N motor driver for a robotics project to control 4 motors. 2 in each input and output terminal. I have this connected to an arduino uno which is powered by about 7-8v from nimh ...

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