This tachometer and dwell meter for old cars was found in a 1975 documentation. The circuit is a reference for those who want to recover or maintain an old car.
The integrated circuit used in this project is unusual. We found this configuration in Motorola's Linear...
This circuit with only one transistor was found in Japanese documentation from the 1960s. The...
The operating frequency of this circuit is 465 Hz and the input voltage is 12 VAC. The circuit is...