0
votes
0answers
41 views

Communication between PTZ camera and an embedded board

I have a PTZ camera which has a serial Communication Port RS-232C and I want to connect it to a single core embedded system which has an Ethenet and USB. How can I make the connection between the PTZ ...
-1
votes
2answers
112 views

How to interface a com port on cash register? [closed]

I am trying to interface a se-52000 cash register. The com2 port is free and it is usually used with a barcode scanner. I want to sent data(something like barcode scanner emulation data) from a ...
3
votes
2answers
220 views

Serial Port (DB9) signals

Just about every time I use a serial port for anything, I only use 3 pins of the usual 9-pin connector (DB9): Tx, Rx, and GND. And when I wire up my microcontroller projects to these ports, I just ...
1
vote
2answers
284 views

I2C - RS232 controller

anyone have reccomendations for an IC that can be used to access a device with an RS-232 interface from an I2C bus? Id rather have something that doesnt need programming as I already have a uC master ...
4
votes
0answers
208 views

Serial data transfer from Omega DP80 legacy hardware to computer

Can anyone provide me with some guidance on setting up a legacy serial connection on an Omega (brand) thermocouple display? I would like to use the serial data interface (Omega DP80-Ser) to reliably ...
10
votes
4answers
424 views

Why is RS-422 interface interference insensitive?

I am trying to understand differences between RS-232 & RS-485. I just don't grasp what is the core principle behind RS-422 inteference resistance? Is it number of wires (4 instead of 3)? Is it ...