STC89C51 STC89C52 STC89C54 51Microcontroller Stringless Photophone LED Music Keyless Electronic Laser Piano DIY Loose Parts

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mickcara
caf866-1-Unassembled-China
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$31.78
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$31.78
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Features:
1.This photoelectric piano has a total of 7 strings, and the buzzer emits the corresponding sound level when cutting the strings.

3. Optoelectronic pianos do not have strings, but are replaced by bright beams of light. Users only need to pluck the beam, as if plucking the strings, and can still play a melody.
4. This production consists of two parts: a photosensitive circuit and a microcontroller.
5. It can arouse interest in music and technology, and for friends who enjoy DIY, this is a good creative small production.

Product Introduction:

Parameter:
Power supply voltage: DC4.5V-5.5V
LED lights: 8
Power socket: DC-005 socket
Power cord: USB to DC-005 cable
Main board circuit board size: 8.9cm * 6.0cm

RETURNS POLICY

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SHIPPING

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Curabitur vel sem mi. Proin in lobortis ipsum. Aliquam rutrum tempor ex ac rutrum. Maecenas nunc nulla, placerat at eleifend in, viverra etos sem. Nam sagittis lacus metus, dignissim blandit magna euismod eget. Suspendisse a nisl lacus. Phasellus eget augue tincidunt, sollicitudin lectus sed, convallis desto. Pellentesque vitae dui lacinia, venenatis erat sit amet, fringilla felis. Nullam maximus nisi nec mi facilisis.

How to choose the correct size:

Step 1 Please measure your foot length carefully.

Step 2 Please choose the correct size according to your foot length and chinese size.

For example, If your foot length is 255 mm , you should choose the size 8.

Step 3 If you\'re not sure of the correct size, you can click chat with us!

WHATSAPP:+8613625959351

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STC89C51 STC89C52 STC89C54 51Microcontroller Stringless Photophone LED Music Keyless Electronic Laser Piano DIY Loose Parts
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