There are many donated components from many thoughtful contributers, but each component lacks documentation. Also we came to makerspace as true engineers or true engineers in training thus we should be able to componsate for a lack of information by diagnosing the components ourselves. Would the following help if tested by a known good stamdard from the electronics department head?http://www.elektor-labs.com/project/adjustable-dc-current-source-with-integrated-hi-z-dvm-130287-i.12799.html