Tagged Questions
0
votes
2answers
403 views
Arduino serial communication with printer
I'm working on a project with an Arduino Mega 2560. I connected the board to a MAX232CPE in order to communicate in serial mode with a thermal printer.
I connected the MAX232 to one of the 3 extra ...
0
votes
2answers
2k views
Getting weird characters in hyper-terminal on serial connection of PC and Atmega-16
I have a Atmega-16 based board, connected via Max232 to pins 2,3,5 of a db-9 connector. The connector connects to a PC.
I am getting weird characters on hyper-terminal instead of normal "Hello World" ...
0
votes
4answers
405 views
serial driver for full 3.3v uC to back-of-computer
I'm looking for an integrated circuit that can connect a lpc17xx (microcontroller) to the serial port on the back of a standard computer. The lpc17xx has a UART controller with 8 pins.
RXD
TXD
CTS
DCD
...
1
vote
2answers
2k views
PIC18F + MAX232 USART Bizarreness
Okay, I've been struggling with this for weeks, and it's blowing my mind. I have been working with PICs for a long time, and I'm very confused as to why I can't make my USART work.
First off, a few ...
1
vote
1answer
152 views
RS-232 Zero (-7V) drops when I connect db9 connectors
I'm interfacing with a system using RS-232. To communicate, I use MAX2322 for TTL <-> RS-232 to interface with PIC microcontroller and PL2303 for USB <-> RS-232 to interface with PC.
All of the ...
