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1500 questions
5
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1 answer

How to disable Arduino Yun to work as Access Point and set it to work as needed?

I am using Arduino Yun and I would like to disable it to work as Access Point. That is, I don't want that it is displayed in the list of available networks. Then I would like to set and use it (separately) in the following scenarios: a) Arduino Yun…
user502052
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5 answers

OTA updates for Arduino using nRF24L01+

Is it possible to send OTA updates to Arduino via nRF24L01+ module? Here are my findings: Here is an instructable explaining how to program Arduino wirelessly but this thing uses a BT module which shows up on PC as a COM port. Here is something…
Whiskeyjack
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2 answers

Why doesn't my code work in a function, yet works inline?

I'm trying to write a faster shiftOut function, which does not use the slow digitalWrite. In my code I have the original shiftOut, the new shiftOutFast, and the same as shiftOutFast, but inline. The three blocks are separated by delays to tell them…
Joris Groosman
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5
votes
3 answers

Multiple GSM shields on one Arduino

I am looking for a way to listen for received text messages on multiple numbers. When I came across the Arduino and its shields, I thought to myself this might be the perfect way to do just that. One of the modules / shields I found on the internet…
Snowlav
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votes
1 answer

How do I use two ultrasonic sensors to control a 5 V motor?

I've hooked up two ultrasonic sensors to my breadboard and I also got a 5 V motor installed. I also got the diode installed and the usual set up. I can easily control the motor with one sensor. I want the motor to run at let's say 100 once I start…
5
votes
2 answers

How to program a CAN-BUS Arduino shield to control car windows?

My project is to control car windows using voice recognition. I have successfully controlled some LEDs using the EasyVR Arduino shield using and Arduino MEGA. Now I want to take control of the windows using the CAN-BUS arduino shield. Because the…
user3508331
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5
votes
4 answers

What options are available for connecting to a CDMA network?

I am looking specifically to connect to a CDMA carrier from an Arduino. In doing research, I came across a CDMA shield option (requires getting a CDMA module that you drop into a shield), but that ends up being quite expensive - the CDMA module…
James Kingsbery
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5
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1 answer

How to solve Atmega 16A Serial write (println) hang with Arduino Uno firmware?

For doing some experiments I bootloaded an Atmega16a with Arduino Uno. I am powering my Atmega16a from Arduino UNO. I am not using any external clock. Atmega16a is connected to a breadboard. For bootloading I refer the site…
Sony Arouje
5
votes
5 answers

Arduino 16x2 LCD Black Boxes

I hooked up a 16x2 Arduino compatible LCD yesterday and made sure all the connections were according to the program and the schematics provided all over the web. My contrast is adjusted perfectly but the problem is that there are black boxes on the…
Owais
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5
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3 answers

How to clear FIFO buffer on MPU6050?

my MPU6050 works very unstable , the problem is unable clear excessed FIFO buffer on MPU6050, I am using Jeff Rowberg's MPU library and according to his DMP example but without using interruptions,here is my modified code but I've tried several…
Yank
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5
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1 answer

Mechanical requirements for Arduino compatibility

If I want to design an Arduino-compatible board I guess I'll have to use the same outline, and connector positions to fit existing enclosures. (Beats me why they didn't choose a simple rectangular board, which would have been cheaper.) But I wonder…
Joris Groosman
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5
votes
3 answers

nRF24L01+ RF24 library - can send but can't receive

I'm prototyping out a board with temperature, humidity, windspeed sensors, and using an NRF2401+ board to send values to a Raspberry Pi base station that will record the data. Using a Leonardo clone board, I'm able to successfully run the…
Steve
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5
votes
1 answer

Simulating touchscreen input using PWM

I'm porting a project from a teensy microcontroller to the arduino. Essentially the project uses a microcontroller to simulate touchscreen input for the Nintendo 3DS console. I am doing this by unplugging the touchscreen digitizer of my Nintendo 3DS…
Kyohack
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5
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1 answer

Adafruit Music Maker Shield - Retrieve song names from SD Card

I am currently working on a project that plays music for you. My question for this thread is, is it possible to retrieve the names of the songs within the micro SD card that is inserted into the shield? Currently I am renaming the song files to…
Imayan
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5
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2 answers

Capturing images from OV7670 (w/o FIFO) using Arduino Uno?

I want to capture images from my OV7670 (w/o FIFO) and send it to my PC via Wi-Fi (ESP8266) (which I know how to use) using an Arduino Uno. I have read so many blogs and threads on the internet but couldn't find a simple and exact solution for the…
Arpit
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