This circuit is from the time when cars used contact breakers. This 80's version measures the dwell angle of the contact breaker for dwell adjustment using an era integrated circuit, the LM3917.
This circuit was found in a 1986 publication. However, it can still be easily assembled, as the...
This circuit was published in Radio Electronics magazine in June 1959. The circuit uses an...
This circuit is based on an old Siemens integrated that can now be found very easily. It allows the...