Buy the print and get FREE access to our online edition!
Has anyone tried to revive permanent magnets that have weakened over time? What is the best method? Can they be made “good as new” or is it better to just replace them?
Please log in to post an answer.
What’s the holy grail of electronic equipment to scavenge parts from?
Are Hamfests and flea markets still a useful source for electronic bargains?
Selected questions from past Q&A columns.
Need to brush up on your electronics principles? These multi-part series may be just what you need!