Found in a Popular Electronics from the 90s, this circuit uses components that are still current. The circuit triggers the vehicle's horn. The sensors can be increased in number.
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...