Technology … the electronic frontier.
These are the voltages of Arduino microcontroller.
It’s 54 I/O pins … to explore new circuitry, to bring forth new devices and experimentation.
To totally make tons of LEDs blink! — WOOooosh – PEW! PEW! – BZzZTtT!
*ahem* (Arduino Mega via MakerShed, ScrewShield by Wingshield Industries)
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