This circuit was found in RCA documentation from the 1980s. The circuit uses LDRs of the time and the 50 uA instrument has zero in the center. R1 and R2 may have 2k2 and R3 10k typically.
This circuit takes advantage of the temperature variation of the component with the air flow that...
November 2016 - Mouser Electronics has in stock the Toshiba Bluetooth TC35670 and 35675...
March 2017 - Texas Instruments' new TPS2H160-Q1 smart switches can now be obtained from Mouser...