If you want a wireless audio system there are several ways to do it. The simplest is to use infrared light that is modulated audio signal to be issued. In the circuit that receives light, it will demodulates, amplifies it and deliver it to the loudspeakers.
Archives for the ‘Audio’ Category
IR Wireless Headphone
Bell Electronic : Ring Ding Dong
This circuit produces the classic bell chime “Ding-Dong” but no mechanical parts used to it. With integrated designed for such use and some components will achieve the same effect and solid state (no moving parts).
STK-1050: 50W Power Amplifier Circuit
Above diagram is the schematic diagram of mono power amplifier which use power IC of STK-1050 as the main component. Build two similar circuit for stereo amplifier circuit.
Download STK-1050 datasheet for circuit reference:
