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56 questions
Newest Active Bountied Unanswered
4 votes
1 answer
2k views

I used the code below to save output from an Arduino Uno to a text file. The problem is whenever I run the code the old data in the text file is deleted. I don't want the old data to be deleted, ...
Santosh Rokhade's user avatar
  • 41
3 votes
2 answers
1k views

I'm having some trouble wrapping my head around timers in Arduino. I've got a FSR Pressure Sensor and I want it to turn on my NeoPixel LED after pressing on it for 5 seconds. Any help is much ...
jmswng's user avatar
  • 33
3 votes
1 answer
7k views

I want to convert a string into a int value. in my real code, I receive a string "Slider 255" the number after slider changes from 0 to 255, so I want a int value to be equal to that number. This is a ...
Diego MEstre's user avatar
  • 31
3 votes
1 answer
1k views

I'm currently building a robotic arm. I'm using an Adafruit servo shield, 7 servos, Arduino uno, and a 5V 10A power supply. I found a program that controls the arm with mouse movement using a ...
Symphy's user avatar
  • 31
2 votes
2 answers
1k views

I'm working on using a GUI in Processing to control some LED rope from Adafruit, and using this multiplexer. I've gotten the following Arduino code working the way I want to cycle through the various ...
narner's user avatar
  • 267
2 votes
1 answer
5k views

I have followed the instructions to run the Arduino processing examples but with no success. Always import processing.serial.*; does not name a type. Which is perhaps a library (processing-arduino) ...
ibrahim's user avatar
  • 21
2 votes
0 answers
361 views

I just wrote some code that just sends a string from Arduino to Processing. Processing prints the string and displays the number of characters in the buffer... After uploading the sketch to the ...
Robot12's user avatar
  • 21
2 votes
0 answers
302 views

I'm using this HC-05 Bluetooth module to communicate between my Arduino mega 2560 and my laptop. I am using processing to send the data from my computer to the Arduino. The module connects nicely and ...
Sahibjot Singh's user avatar
  • 21
2 votes
0 answers
93 views

As the title alludes to, I'm in the process of converting an Arduino sketch to a Processing sketch. So far, mostly pretty straightforward. I'm running into an issue with creating an array of ints for ...
narner's user avatar
  • 267
2 votes
0 answers
137 views

In my project work, I have 3 robots with their own Arduino boards. Each robot has Infra Red Sensors, whose values I can read using its corresponding Arduino. The main thing however is that each robot ...
Craig's user avatar
  • 21
2 votes
0 answers
164 views

I am trying to get data from D6T Omron thermal sensor. It works fine with both Arduino and Processing when I connect it to pc directly. However, it seems to always cannot read my last data in my data ...
lim lagoon's user avatar
  • 25
2 votes
0 answers
322 views

So I have 7 different sensor I’d like to send to Processing, then use each of their values as variables inside different webcam filters. I’m going off of this tutorial which has been helpful, but it ...
jess_JS's user avatar
  • 21
1 vote
3 answers
4k views

I wan't to send information from my arduino digital pins to another arduino's digital pins like a string, or a char. Can I do this without something like Software Serial? The reason I am asking is ...
Radmation's user avatar
  • 113
1 vote
2 answers
856 views

I'm trying to connect an Arduino Nano Every and Processing via serial. I'm getting no errors on either side, and the arduino serial functionality works otherwise on the arduino IDE. I'm connecting on ...
Zhelyazko Grudov's user avatar
  • 367
1 vote
1 answer
286 views

I want to make a servo change its angle using my mouse. When I move mouse horizontally the servo should change its angle correspondingly. This is the sketch I wrote, unfortunately the servo doesn't ...
Socasx7's user avatar
  • 11

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