ctownsend
Advanced Member level 2
I just received a shipment of some RS232 to TTL converters from China exactly like the ones here.
**broken link removed**
Out of the whole shipment NONE worked. When I attempt to send a string of chars with an 8051 to the terminal @ 9600 bps, it overruns my serial port on the PC so bad that not even another working device will work. I had to reboot the PC a few times in order to straighten it out.
Upon further investigation, I replaced the "max232" with a real one, and it worked every time. I did this for a few others and they also worked.
The chip itself has markings on it "MAX232 CSE +1027".
They were a good deal. I should have known it was too good to be true.
**broken link removed**
Out of the whole shipment NONE worked. When I attempt to send a string of chars with an 8051 to the terminal @ 9600 bps, it overruns my serial port on the PC so bad that not even another working device will work. I had to reboot the PC a few times in order to straighten it out.
Upon further investigation, I replaced the "max232" with a real one, and it worked every time. I did this for a few others and they also worked.
The chip itself has markings on it "MAX232 CSE +1027".
They were a good deal. I should have known it was too good to be true.