There are some good practical solutions here ( https://www.lemon64.com/forum/viewtopic.php?t=55483&sid=2710b178e3140bce3ba678a35910f05b https://www.lemon64.com/

There are some good practical solutions here ( https://www.lemon64.com/forum/viewtopic.php?t=55483&sid=2710b178e3140bce3ba678a35910f05b https://www.lemon64.com/forum/viewtopic.php?t=55483&sid=2710... ) but the most important thing is keep the voltages down. They suggest three volts max peak to peak, which seems prudent.