GitHub - two-engineers2/Arduino-Morse-Code-with-LED-and-Buzzer: Step by step instructions with explanations to construct an LED and piezo buzzer circuit and program it to communicate SOS and other messages in morse code using Arduino.
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22mm 24V AC/DC Red LED Flashing Buzzer Pilot Panel Indicator Light: Amazon.com: Industrial & Scientific
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Rotating LED Warning Light with Adjustable Volume Buzzer Alarm : ID 5134 : $12.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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Led Buzzer 5v Mount | Buzzer Indicator 5v | Buzzer 5v Panel | Buzzer Led 24v | Buzzer Switch - Switches - Aliexpress
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DIGITEN AC DC 12V 22mm Red LED Flash Alarm 80dB Indicator Light Lamp with Buzzer Pack of 2 - Amazon.com
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