sound transfer carried on infrared
1). The transmitting end: the headset port, the audio signal input through the transistor Q1 S8050, an infrared transmitter to drive the tube, and the audio signal is transmitted in the form of infrared.
2). The receiving end: the infrared receiving tube for receiving the infrared signal transmitter, converted into an audio signal through the LM386 audio amplifier chip, and the audio output signal can be amplified
Components List
Transmitter: Component. Label Footprint Value Number
- Ceramic capacitors C1 RAD-0.1 103 2
- Electrolyticcapacitor（25V/100UF） C2 RB.1/.3 100UF 1
- Electrolytic capacitor（25V/4.7UF） C3 RB.1/.2 4.7UF 1
- 5MM red LED D1 LED_5mm 2
- 5MM Infrared emission control D2 LED_6mm 1
- Pin J14 HDR1X2 0.5（半排）
- Headphone seat J2 3F07 1
- S8050 Q1 TO-92B 1
- Resistance R1 AXIAL-0.3 100 2
- Resistance R2 AXIAL-0.3 51K 2
