World's strongest handheld laser built by YouTuber is super powerful
World's strongest handheld laser built by YouTuber is super powerful
10 months ago
interestingengineering.com
🕵 ESP32 Laser Tripwire Alarm 🚨 Bring spy-movie vibes to life with ESP32! A laser beam shines on an LDR → cross the beam and the buzzer screams! 🔊 🔧 What you’ll learn: • Reading analog values from an LDR • Using voltage divider circuits • Alarm logic with ESP32 • Controlling a laser module via GPIO ⚙ Hardware (Shop @ Robocraze): * ESP32 Dev Board * Laser Module * LDR Sensor 10kΩ Resistor Pack * Active Buzzer Module * Breadboard Jumper Wires 💡 How it works: 👉 ESP32 powers the laser pointing
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🕵 ESP32 Laser Tripwire Alarm 🚨 Bring spy-movie vibes to life with ESP32…
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