Video emitter uses battery power

摘要

The block diagram in Figure 1 shows how to make a cable-free, direct-video system. The system allows users to walk from booth to booth at an exhibition to interview people and to display the interviews in real time on three screens at key locations. You can use the small and simple system each time you need to capture image and sound on the run. Figure 2 (pg 96) shows a detailed schematic diagram of the video system. The system provides no stereo audio but rather mixes together right and left sources. IC_(2A) acts as an inverter/adder.