Black tee shown front and back: front has a vintage oscilloscope with a green heartbeat trace becoming a square wave under Pulse Check; back has a small round seal.

Pulse Check Oscilloscope T-Shirt, Heartbeat to Square Wave Tee, Electrical Engineer Gift

Comfort Colors 1717 / Black / S
$29.99
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Black tee shown front and back: front has a vintage oscilloscope with a green heartbeat trace becoming a square wave under Pulse Check; back has a small round seal.
  • Black tee shown front and back: front has a vintage oscilloscope with a green heartbeat trace becoming a square wave under Pulse Check; back has a small round seal.
  • Back of a black Comfort Colors 1717 tee with a small Magic Smoke Society seal below the collar.
  • Front of a black Comfort Colors 1717 tee with a full-front Pulse Check oscilloscope print in cream, copper and green.
  • Close-up of the oscilloscope artwork showing the phosphor trace, the graticule, the copper knobs and the 60 BPM = 1 Hz Clock line.
  • Black tee shown front and back: front has a vintage oscilloscope with a green heartbeat trace becoming a square wave under Pulse Check; back has a small round seal.
  • Back of a black Comfort Colors 1717 tee with a small Magic Smoke Society seal below the collar.
  • Front of a black Comfort Colors 1717 tee with a full-front Pulse Check oscilloscope print in cream, copper and green.
  • Close-up of the oscilloscope artwork showing the phosphor trace, the graticule, the copper knobs and the 60 BPM = 1 Hz Clock line.
Pulse Check Oscilloscope T-Shirt, Heartbeat to Square Wave Tee, Electrical Engineer Gift

Pulse Check Oscilloscope T-Shirt, Heartbeat to Square Wave Tee, Electrical Engineer Gift

$29.99
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Color
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Vital signs: stable. Logic level: high. A vintage bench oscilloscope where two normal heartbeats snap into a clean digital square wave, because 60 beats per minute is just a 1 Hz clock with better PR. Great for engineers, techs and anyone who has worked both a hospital monitor and a scope.

What you get

  • Front: Full-front print: "Pulse Check" script over a cream vintage oscilloscope with copper knobs, a green phosphor heartbeat trace turning into a square wave on a 200 ms/div grid, and "60 BPM = 1 Hz CLOCK"
  • Back: Small upper-back Magic Smoke Society round seal
  • Printed with premium DTF transfers and heat-pressed by hand in Charleston, SC

Choose your shirt

  • Comfort Colors 1717: heavyweight 6.1 oz garment-dyed cotton, relaxed fit (S–3XL)
  • Bella+Canvas 3001: lightweight 4.2 oz Airlume cotton, softer retail fit (S–3XL)

Colors may vary slightly by screen.

Care

Wash inside out in cold water, tumble dry low or hang dry, don't iron the print.

Production & disclosure

Designed by Elevated Designs LLC using digital design tools, with AI assistance. Printed and pressed to order in Charleston, SC.

Magic Smoke Society · electrical engineers and electronics hobbyists — designed by Elevated Designs and printed to order in Charleston, SC.

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