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Results tagged with serial
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user 113293
is the process of sending data one bit at a time, sequentially, over a communication channel or computer bus. Traditionally "serial" relates to a three (or more with hardware handshaking) wire system (TIA-232-F), now using ∓25V Voltages. Technically speaking the specialized SPI (Serial Peripheral Interface) and I2C (Inter-Integrated Circuit) buses are serial communication systems as well - use one of those tags if they would be more appropriate!
0
votes
1
answer
2k
views
Rpi Python interfacing RS232 to RS422/485 Converter Problem
I am working with a project where I need to read data from my device(i.e ADAM 4520)using serial to USB converter.
1st, I tested with my PC using hyper terminal and with Raspberry Pi 3 using GtkTerm, it … Here is my code:
import serial
import time
s=serial.Serial(port='/dev/ttyS0',
baudrate=9600,
parity=serial.PARITY_NONE,
stopbits=serial.STOPBITS_ONE, …
- 69
2
votes
Rpi Python interfacing RS232 to RS422/485 Converter Problem
I am interfacing these two devices with my Raspberry Pi 3 with serial (Rx/Tx)pin. … import serial
import time
import struct
s=serial.Serial(port='/dev/ttyS0',
baudrate=9600,
parity=serial.PARITY_NONE,
stopbits=serial.STOPBITS_ONE, …
- 69
0
votes
1
answer
1k
views
How to implement serial event detection for request /response operation with Tkinter
My issue is in my application I have to response request from master PC through serial port (So this is an interrupt driven application ).But as per my knowledge there is no serial interrupt detection … Here is my threading code demo:
import serial
import tkinter as tk
import threading
serialport= serial.Serial(port='/dev/ttyS0',baudrate=9600)
i2c = busio.I2C(board.SCL,board.SDA)
rate = 32
ads = ADS.ADS1115 …
- 69