We found this CMOS circuit in a 1978 publication. It allows you to use a standard calculator keyboard with 16 keys for encoding in hexadecimal.
This monostable circuit appeared in Radio Electronics magazine in October 1965. The circuit...
This is a simple variac type source found in the July 1962 Radio Electronics magazine. Voltage and...
April 2017 - The ADXL35x line of Analog Devices accelerometers can now be obtained from Mouser...