High Power Alarm (CB20475E)

We found this circuit in a Popular Electronics from the 90's. The circuit uses three SCRs to trigger the loads.

Audio Oscillator (CB457)
Hartley oscillator operates in the audio range. Frequency can be adjusted by P1 and also depends...
VCNL4035 Proximity and Ambient Light Sensors
May 2017 - These new Vishay sensors can now be purchased from Mouser Electronics and have a 12-bit...
Family of Live Updateable Controllers for Digital Power Expanded
The dsPIC33EP128GS808 Digital Signal Controller Family now Offers up to 128 KB of Flash while...