Unanswered Questions
9
votes
0answers
135 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
461 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
1answer
73 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
75 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
74 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
0answers
60 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
131 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 ...
5
votes
1answer
308 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
0answers
21 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
29 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 ...
4
votes
0answers
39 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 ...
4
votes
0answers
33 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 ...
4
votes
0answers
58 views
Arduino UNO with NRF24l01 + touch screen
I have an Arduino UNO, a NRF24L01 as receiver (receive data from elsewhere), and this touch screen from Adafruit for display and control.
The Adafruit TFT is a shield so it fits the UNO perfectly.
...
4
votes
0answers
82 views
Problems with transmission between Attiny 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:
https://mchr3k.github.io/arduino-libs-manchester/
The problem is that the ...
4
votes
0answers
97 views
Arduino - stepper motor wrong steps number
I just bought a new stepper motor ( 400 steps for revolution, 0.9°/step) and I would like make a turn of 180° by 200 steps, but it doesn't work as aspected.
It looks like the motor needs only 110 ...
