General Electric suggests this circuit in an 80's documentation. The circuit makes use of PUTs that are not common components today. Note the timing components that may change.
Figure bellow shows how one of the two separated counters found inside the 4518 is used as a...
Suitable for recovering tape recorded media from a common tape player mechanism, this circuit is...
August 2017 - The PIC32MM microcontrollers of the Microchip 32-Bit Family can be obtained from...