Investigating Electromagnetic Magic in Obsolete Machines

?w=800" alt=""/>Before the digital age, when transistors were expensive, unreliable, and/or nonexistent, engineers had to use other tricks to do things that we take for granted nowadays. Motor positioning, for example, https://hackaday.com/2025/02/05/investigating-electromagnetic-magic-in-obsolete-machines/

https://hackaday.com/2025/02/05/investigating-electromagnetic-magic-in-obsolete-machines/