Found in a Popular Electronics from the 80's, this circuit makes use of a time integrated to control a relay in a timed way. R2 determines the activation time.
This circuit was suggested by Signetics in 1980s documentation. The circuit makes use of the...
The Texas Instruments INA826S Instrumentation Amplifier Evaluation Module is available from Mouser...
This circuit uses a dual floodgate MOSFET not very easy to obtain today. Its handling is very...