Qyrugcxs DIY Laser Wireless Audio Transmission Kit Electronic Production DIY Electronic Teaching Experiment Accessories

1. It can transmit long-distance one-way calls (two sets of duplex intercoms need to be purchased) or transmit audio signals such as mobile phone mp3, and receive audio signals at the receiving end. 2. The basic principle of using infrared laser to transmit sound is to convert fluctuating sound into red laser, then the laser vibration signal is received in the photodiode receiver of the receiver circuit, and the signal is demodulated to achieve sound restoration. 3. The transmission distance can reach 50-100 meters and can be used to manufacture long-distance wireless speakers.