| Color | 1 set |
|---|---|
| Brand | Unbranded |
Check the listing for details. Wireless Audio Transmission Board Infrared Transmitter & Receiver Module DIY Set. Color: 1 set, Condition: New. Listed at 9.70 USD. DIY kit laser wireless audio transmission module with long transmission distance. The basic principle of using infrared laser to transmit sound is converted from fluctuating sound to red laser, and then the laser vibration signal in the receiver circuit of the photosensitive diode receiver is received, and the signal is demodulated to achieve the sound restoration.
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