Found in 1980s Radio Electronics, this circuit triggers the ignition of a rocket after the countdown is completed. The countdown is monitored by the sequential lighting of LEDs
This circuit was obtained from a 2005 Linear Technology application manual. The circuit is...
The tone produced by this circuit depends on the capacitor and the adjustment of the...
We found this circuit in 1969 American documentation. FETs admit equivalents, as do transistors. The...