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
We found this circuit in a Linear Technology component manual. The circuit also has a DC zeroing...
This circuit has a scale of 0 to 2.56 V, but it can be changed by changing the values of the...
Figure Bellow shows how to use a 7490 (TTL) IC to divide the frequency of a TTL signal by 6; The...