Obtained from a 1969 neon lamp documentation, this circuit shows how to assemble an indicated circuit triggered by - 24V pulses. The neon lamp is of the era type.
Written in an article in Radio Electronics magazine in April 1987, this circuit triggers an alarm...
This is the receiver circuit for the previous transmitter. The circuit has a programming key to...
This is an example of a temperature sensor shield using the Texas Instruments TMP390 obtained from...