basE91 is an advanced method for encoding binary data as ASCII characters. It is similar to UUencode or base64, but is more efficient. The overhead produced by basE91 depends on the input data. It amounts at most to 23% and can range down to 14%.
There are different files supplied. One program for webcam controlling inline with the orginal idé. And different help classes if you would like to do something yourself. Also a general package of classes to communicate with the RS232 port.