The integrated circuit used in this project is not common today, as it was obtained in the Linear Applications Handbook of the National Semiconductor of 1994.
This circuit, which can be used as a shield, was found in a 1980s documentation. The circuit can be...
This 555 timed touch switch was found in a 90s Hands-On Electronics. It triggers a buzzer, but a...
Found in documentation from the 90's, this circuit can be implemented based on modern operational...