This biestable vox circuit was found in an old documentation. The circuit makes use of components of the time (80's) and can work as a shield since the power is 5 V.
This single-channel remote control transmitter operating in the FM range uses common components and...
This circuit was obtained in a 70s American documentation. The integrated circuits of the time are...
This voltage sensor limits the discharge of a Nicad battery. We found it in an American...