Raspberry Pi_Eng_02.5.4 3.5mm Audio Jack and Composite Video


Published Book on Amazon


All of IOT Starting with the Latest Raspberry Pi from Beginner to Advanced – Volume 1
All of IOT Starting with the Latest Raspberry Pi from Beginner to Advanced – Volume 2


출판된 한글판 도서


최신 라즈베리파이(Raspberry Pi)로 시작하는 사물인터넷(IOT)의 모든 것 – 초보에서 고급까지 (상)
최신 라즈베리파이(Raspberry Pi)로 시작하는 사물인터넷(IOT)의 모든 것 – 초보에서 고급까지 (하)


Original Book Contents


2.5.4     3.5mm Audio Jack and Composite Video

 

The Raspberry Pi offers a 3.5 m audio jack to support stereo. When using HDMI output from Raspberry Pi, audio output can also be transmitted to the HDMI port together with video output, so that external device can play video and audio at once. However, if separate audio output such as a speaker and a headphone is required, audio may be outputted separately through an audio jack.

 

There have been some very old monitors and TVs that use the RCA composite type, but are rarely used today. However, Raspberry Pi provides an RCA composite video port to support them. Since the devices are not widely used, the model B integrates it with the audio jack and provides it as a 3.5mm jack. If you want to connect an old TV, you must use an adapter cable that converts the 3.5mm output to 3 RCA.