Strobe (T461E)

Found in Popular Electronics from August 1968, this circuit makes use of a strobe tube from the time.

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Books and e-Books by Institute NCB 100 CIRCUITS - SHIELDS FOR ARDUINO FUN PROJECTS FOR THE...
5V x 4A regulator with LM109 (CB14503E)
The LM109 was manufactured by many semiconductor companies that presented different configurations in their...
Digital transmission isolator (CB20760E)
This shield was found in an American documentation from the 70s. The operational amplifier is from...