Introduction: Arduino SOS Signal With 8ohms Speaker + LED Blinking
SOS is the commonly used description for the international Morse code distress signal (· · · — — — · · ·). [read more on wiki]
Requirements:
1) Arduino
2*) 8 Ω speaker
3*) 150 Ω or similar resistor
4) 5mm RED LED
5) Hook-up wires
6) Any breadboard
* Ω = Ohms
Demo:
Requirements:
1) Arduino
2*) 8 Ω speaker
3*) 150 Ω or similar resistor
4) 5mm RED LED
5) Hook-up wires
6) Any breadboard
* Ω = Ohms
Demo:
Step 1: Schematic
Hook-up wires as shown (original pic here). Make sure that LED's anode and cathode correctly connected. [read more on wiki]
Step 2: Code
Lets start coding.
Upload and enjoy ;)
Upload and enjoy ;)
Step 3: Optional
If You want to change tone, You should change lines number:
Here is the list of notes:
Here is the list of notes: