Questions tagged [bytes]
A group of binary digits or bits (usually eight) operated on as a unit.
8
questions
1
vote
3answers
125 views
Set and extract individual bytes of a number (lowByte() and highByte())
You can extract
the low-order (rightmost) byte of a variable
or
the high-order (leftmost) byte of a word
with the functions lowByte() and highByte() respectively (the quotes are from the ...
0
votes
2answers
56 views
need to compare if a byte is less than 80 hex
I am using an infrared sensor called OTI301. In its data sheet it says that in order to obtain object temperature and ambient temperature values I need to extract the binary information from the ...
2
votes
2answers
72 views
How to convert char[12] to byte[6]
I am trying to convert a char[12] array that contains a Mac Address into a byte[6] in order to use within the Ethernet.begin method. I have tried various methods from online, but had little success to ...
1
vote
2answers
69 views
How to modify a created byte?
I have created a byte for 16x2 LCD. It is basically a custom character which I will have to change later.
byte char[8]{
B10000,
B01000,
B00100,
B00010,
B00001,
B11000,
B11100
};
I want to ...
1
vote
1answer
91 views
USing arrays, binary data and bitRead
This is my first manually typed code. I'm sure there may be some glaring "schoolboy errors" in it, so wondered if people could give it the 'once over' In particular, I have never used C++ arrays, ...
0
votes
0answers
31 views
Arduino is no more writing Serial if i write before
Description:
I have a code version where i only send data from Arduino to PC where i read data with PC.
I want to add the possibility to send a command start or to stop the sending of data.
This ...
0
votes
1answer
74 views
Arduino will not read three successive packets in the serial connection
I have written a small program to send serial commands from Python to the Arduino Micro. This is my code for both:
Python
import serial
ser = serial.Serial('COM5', 9600)
ser.write(b'0')
ser.write(...
1
vote
1answer
314 views
Passing arrays, global arrays within functions, pointers, and declaring array sizes
I'm super confused right about now!
I've been working on project involving Xbees in API mode, and I need to send different arrays of bytes to the Xbee depending on which buttons I press. Mostly what ...
