All Questions
Tagged with arduino-uno communication
143 questions
1
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2
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113
views
converting comma delimited Serial message to 7 Unsigned Long variables
Working on a project where I get an input where its a comma delimited string like:
"255,10000000,42949672950254,12,22".
and then the numbers (no commas), would be split into 6 Long ...
- 21
2
votes
0
answers
594
views
Sending an image captured using ov7670 using arduino and serially transmit it to python
I am working on using an ov7670 camera module with arduino uno,capturing the image frame wise and transmitting the image serially line by line of each frame to python for image processing, however i ...
- 29
1
vote
1
answer
733
views
AD7768-1 library " Arduino "
I am working on a project and I need an AD7768-1 library to make this analog-digital-converter talk to my Arduino using SPI.
" The AD7768-1" doesn't exist in Arduino's library.
Thanks in ...
0
votes
1
answer
287
views
The RF 433MHz receiver code is working only when I reset the Arduino
I'm working on RF modules using Arduino but I observed the if statement is only running once and I need to reset the receiver every time to make it work with real-time changes in the transmitter.
I ...
2
votes
1
answer
1k
views
Is there a way to connect two Arduinos, when one of them has all of its pins occupied?
I want to connect an Arduino Uno to an Arduino Nano, so that it can send signals. The problem is that the Arduino Uno has a motor shield connected to it, and it takes up all pins of the Arduino.
This ...
- 33
1
vote
1
answer
79
views
Noise in RF 434 transmitter and receiver
I'm working on RF transmitter and receiver modules using two Arduino UNOs. I'm getting an additional noise on the receiver side in serial.println.
To be more clear about the question. Hre is my ...
1
vote
2
answers
385
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Will many nrf24L01 radio modules running at the same time cause interference?
I am working on a battle bot type of project where their will be 4 transmitters communicating with 4 receivers attached to the robots in the 4 foot x 4 foot playing field. Are their any complications ...
1
vote
1
answer
214
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Fluctuation in 4 half bridge load cell via combinator
I'm currently using a Sparkfun 4 Half-Bridge load sensor (50 Kg) with combinator and amplifier both are from the Sparkfun. Link:https://www.sparkfun.com/products/10245 (For Load Sensors)https://www....
- 13
1
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0
answers
168
views
Arduino Visible Light Communication(Audio transmission)
I think this is a broad question. I'm currently implementing visible light communication with Arduino. I'm using a laser as my transmitter and LDR as my receiver. I'm able to transmit a text from one ...
- 11
1
vote
1
answer
188
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How do I connect my ESP32 cam to my old modem without using Wi-Fi?
I have an Arduino ESP32 cam that I want to use as a bird cam. I want to use my old Orcon wireless modem to connect with this cam. I will connect with cable from my computer to this modem. As my ...
1
vote
0
answers
55
views
Serial communication detect
guys.
I am workin on a project. I have two channel for Serial RS232 communication. Main and Stand-By channel. If Main channel has some problem and, cannot communicate for 15 seconds then I want to ...
- 29
1
vote
1
answer
184
views
Error in I2C Communication Between Arduino and Raspberry Pi
The code below sends data to Raspberry Pi every 20 millisecond. The code works fine but sometimes python throws an error. Why this is happening? Should I give more time between writeData?
Error:
> ...
- 165
0
votes
2
answers
98
views
Serial communication between Arduinos
I'm trying to send data from Arduino Mega to UNO.
The master code sends characters 'x' and 'a' every half second to the slave Arduino UNO.
Slave receives the characters and switches the state of the ...
- 165
1
vote
1
answer
744
views
Message is sent multiple times from one arduino to another, using nRF24L01
I am trying to build a bidirectional communication channel, using nRF24L01 and two arduinos. The message is introduced using a button (but) in Morse code, decoded and then sent when another button (...
- 31
3
votes
1
answer
1k
views
Communication between two Arduinos using ENC28J60?
How can I connect and send data between two Arduinos using ENC28J60 ethernet adapters on both of them? Is there any guide or example code for me to take a look from or any library I can use to achieve ...
