DIY- Heart Shape LED Light Flasher
DIY- Heart Shape LED Light Flasher
Jun 9, 2021
engineersgarage.com
IC 555 LED Circuits (Blinking, Flashing, Fading Effect) – Homemade Circuit Projects
IC 555 LED Circuits (Blinking, Flashing, Fading Effect) – Homem…
Oct 22, 2017
homemade-circuits.com
For Valentine’s Day, I built a circuit that blinks LEDs in the shape of a heart — synced to my actual heartbeat. A red LED shines through my finger, a phototransistor picks up the pulse, and a few filters a 331x amplifier turn that tiny signal into something that drives the lights. Every blink = one heartbeat. 🔴⚡ This is electronics meets biology, and honestly it might be the most romantic thing I’ve ever built. 🔗 Want to build your own? Visit getnlab.com to learn more about the circuit kit, a
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