Has anyone been able to buy or make a TTL to RS-232
I purchased a ST232 chip and some .1 uF capacitors
and tried to create one, but it's not working. the places where the
voltage is supposed to be doupbled pin 2 +10 Volts and pin 6 -10 Volts its
reading +/- 3.2 volts.
"In the beginner's mind there are many
possibilities. In the expert's mind there are few."