This circuit was found in a 90's Electronic Design. The circuit can be adapted to use modern components. The power supply is made with 5 V which allows its use as a shield sensor.
This egg timer has been found in an English magazine that no longer exists in 1982. The...
We found this circuit in the March 1995 issue of Electronics Now magazine. The circuit has a...
SAM D5x and E5x MCUs Provide Powerful Performance and Enhanced Security Features CHANDLER, Ariz.,...