Under this name, Electronics Now magazine published this laser projector in its last issue of November 1999 to “freeze” moments and thus determine their speed. The circuit uses a LASER diode.
This filter was found in Delco's 1965 documentation. It can be implemented with modern components...
August 2017 - The TouchXpress CPT212B and CPT213B capacitive sensors from Silicon Labs can now be...
This circuit for experimental radios and other applications is from a documentation from the 50's....