This circuit is from a 60's documentation. The circuit uses components from the era and serves to monitor a 150V continuous power line.
September 2017 - Arduino Lucky Shield shields containing a 5 V OMRON-g6RL relay, a Everylight...
With the configuration shown in the figure, a common 12 V lamp lights up when light no longer...
This circuit is from the owner's manual of the integrated circuits used. The manual is old, which...