BFO (CB21769E)

This beat frequency oscillator for receivers was found in a documentation for radio amateurs from 1977. The components are from the period.

Mini no breake (CB22151E)
This circuit was found in old English documentation. When the main power is interrupted, the...
Si705x A10 I2C Temperature Sensors
August 2017 - Mouser Electronics is already stocked with Silicon Labs' I2C Si705x A10 interface...
Simple LED VU (CB18060E)
VU or Volume Units is a sound intensity indicator that can be installed on any stereo. The...