All Questions
258 questions
0
votes
0
answers
73
views
Upload Same Sketch to Multiple Different Microcontollers via USB?
I'm attempting to figure out how to mass-upload a single Arduino INO sketch file to several different microcontrollers on a Windows 10 system.
It was understanding that, every time that the Arduino ...
- 173
0
votes
2
answers
119
views
Which sketch was this?
With ESP32 being so plentiful here (3 more for Christmas) I am at a loss to determine which sketch I used for a particular unit. Has anyone devised a record keeping scheme or even a serial monitor ...
1
vote
0
answers
792
views
display.begin(); function breaks working code
I've been setting up a system using an Arduino Uno board that reads from both an Adafruit MPU6050 6-way gyroscope and accelerometer and an Adafruit NAU7802 connected to a load sensor. I have code for ...
0
votes
1
answer
286
views
if statement does not work with fraction, but works with decimal equivalent
I'm trying to trouble shoot a problem with my code and narrowed it down to my if statement not working with a fraction.
The below code does not work and returns 0
for(float i=0; i <= 1; i += .0001){...
1
vote
1
answer
406
views
DHT11 temperature and humidity sensor Code
I’ve got a question about this code I’ve attached please- would it be correct to read it like this:
After defining the variable temperature and humidity and assigning measurement_timestamp to millis(),...
- 13
-1
votes
1
answer
128
views
How to write a program to do 2 different loop | Task?
I wanna write a program for rc-plane navigation
The plane must navigate to 2 waypoints waypoint_1 & waypoint_2
When it reaches to waypoint_1 (with miss-distance =< 5) then navigate to ...
- 113
2
votes
2
answers
594
views
How to unload a sketch
I've loaded a sketch onto Arduino using the Ardunio IDE and it works but when I press the reset button I realize it doesn't remove the program. Is there a way to unload the program? Why? Because when ...
- 123
0
votes
1
answer
264
views
How to get started with writing code for a Hall Effect sensor?
One of my biggest questions concerns coding a Hall effect sensor to find wheel speed with an arduino mega.
I’ve got an lcd in digital pins(7,8,9,10,11,12) and a Hall effect sensor in digital pin 2.
I ...
- 11
1
vote
1
answer
318
views
How to change variable/sketch through a GUI
Over the past few months, I've been working on a wearable computer mouse using an Arduino and a 9-dof sensor. Most of the sketch is complete, and works as expected.
Recently, I started investigating ...
- 367
1
vote
2
answers
350
views
Two servos for robot (head & chest) movement at different speeds at once
I have an Arduino Uno and two Hi-tec servos (HS-40 & 5055 digital) that I'm using for a basic robot build. I'm trying to have one servo(HS-40) turn the head back and forth (left to right) slightly ...
- 11
1
vote
0
answers
26
views
I have 2 sketches with same RTC DS1307 but when I combine the 2 sketches it gives errors [duplicate]
I have 2 sketches one is pixel clock with RTC ds 1307 and the other is 7 Segment with DHT 11, I want to merge the two into one but it is giving errors for rtc.
sketch for pixel clock
#include <Wire....
- 11
1
vote
0
answers
64
views
Why does the LED state behave differently?
I wanted the sensor to be high when I press the button, but when DigitalRead does low, the LED turns on, when it does high, the LED goes off.
Whereas when the digitalRead is high, isn't it supposed to ...
- 51
1
vote
0
answers
300
views
Http Client requests
I am working on a project where the ESP 8266 sends a very long string about 3000 chas over http as client. Likewise sensor data are determined. The loop repeats itself every 250ms. Now I noticed that ...
- 33
1
vote
0
answers
149
views
Aurdino EMG sensors and servos?
I'm new here and to the aurdino.
I'm building a 3D printed robotic arm controlled by a EMG sensor. I purchased a V3 EMG board and leads on Aliexpress. Here's a list of the things I've purchase for ...
- 11
6
votes
3
answers
3k
views
Using Arduino as a standalone compiler
I mostly program in C/C++ so I conviniently have a GCC compiler for all my compilations. I was wondering if there is a special compiler for Arduino that can be used just like the GCC Compiler? Because ...
