Linked Questions

13
votes
6answers
14k views

Sending Large Amounts of Serial Data

So in the fields of robotics sometimes you need multiple boards and or computers linked together to share information or save statistical data. Currently I need to send a few different variables over ...
2
votes
3answers
2k views

What are the different types of high-speed serial data transfer protocols, and how do they work (ex: baudrate, synchronous vs asynchronous, etc)?

Otherwise worded: How do I resolve my understanding about baud rates and high speed serial data transfer? From what I understand, serial communication is relatively slow. By slow, I mean that the ...
2
votes
4answers
9k views

Arduino and HC-05 hardware serial issues

I have a software sending bitmap data to an Arduino Pro 5V 16MHz 328P that drives an LED display (sketch). This works using the USB-Serial adapter for the Arduino Pro with baud rates up to 500000 Baud....
3
votes
2answers
6k views

CH340 max serial speed

With an Arduino-like board using a CH340 USB Serial chip, I'd like to send text lines as fast as possible to a Raspberry Pi through USB using the Serial.println() function. The problem is that when I ...
1
vote
5answers
3k views

What is a faster alternative to parseInt()?

I'm making an LED spectrum analyzer with an Arduino Due and my PC. The audio processing is done on the PC, and then sent to the Arduino. The exact data sent is a 'coordinate', or more specifically, a ...
2
votes
2answers
2k views

Arduino to Raspberry Pi wired communication

I am new to Raspberry Pi (just brought mine before writing this post), and I am looking to see what is the most ideal way for two way communication between an Arduino and a Raspberry Pi (USB, SPI or ...
3
votes
1answer
411 views

What USB to UART chip provides highest data rates with Arduino boards?

Checking out online stores for a USB/TTL adapter, I came across a wide range of products, and I'm having a hard time selecting the one which would achieve the highest data rate. I was comparing ...
0
votes
1answer
280 views

Arduino Due not properly detecting SD card

I have an SD breakout for my Due that isn't properly detecting the SD card. On one card, it cannot detect at all, and the other it says that the SD isn't formatted with FAT, even though it is. Here is ...
1
vote
1answer
311 views

Adapt Dynamixel library to different shields

I have been playing around with this shield for a couple of days now and I have to agree with some statements made in the comments that the "library" lacks many functions. However I have discovered ...
1
vote
0answers
111 views

Sending constant int from Arduino to PC causes error

I am using Arduino Uno Rev 3, and according to this link we can achieve 2000000 baud rate. This problem can be easily repeated by the following code: void setup() { Serial.begin(2000000); } void ...