This circuit generates sequence of pulses in order and times determined by the capacitors in pins 6 and 7 of each timer. The circuit is from an old Mullard (Philips) manual.
This capacitive discharge ignition system with 1 transistor and 1 SCR was found in the April 1972...
The transformer of this experimental circuit, which appears in other versions on the website, is...
Found in a 90s Popular Electronics, this circuit checks if a remote-control transmitter is...