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 three-chanel remote control transmitter uses a unijunction transistor as low frequency...
This circuit appears several times in this section and on this site, obtained from different...
This circuit allows fluorescent lamps to be powered up to 40 W from 12 V car batteries. The...