Audio level visualizer

1 year ago 253
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

This circuit visualizes the level of audio is being played. It consists of 2 LM3914 LEDs driver ICs and 2 386D JRC audio amplifier ICs, one for the left channel and one for the right channel.

Documents

Audiol level visualizer

BOM

ID Name Designator Footprint Quantity Mounted
1 JRC NJM386D U3,U4 DIP-8 2 Yes
2 3CR4PD08 LED1,LED2,LED3,LED4,LED5,LED6,LED7,LED8,LED9,LED10,LED11,LED12,LED13,LED14,LED15,LED16,LED17,LED18,LED19,LED20 LED-3MM 20 Yes
3 3MMHOLE_PTH H17,H18 3MMHOLE_PTH 2 Yes
4 LM3914N U2,U1 DIP-18 2 Yes
5 470 ohms R2,R1 AXIAL-0.3 2 Yes
6 0.047uF C4,C1 RAD-0.1 2 Yes
7 10 R4,R3 AXIAL-0.3 2 Yes
8 200uF C5,C2 CAP-D3.0XF1.5 2 Yes
9 0.1u C6,C3 RAD-0.1 2 Yes
10 AUDIO-JACKH JP1 STEREOJACK2.5MM_SPECIAL_HOLES-ONLY 1 Yes
11 On/Off switch SW2 KEY-6.0*6.0-4 1 Yes
12 4 ohms SPEAKER SP1,SP2 SPEAKER 7.6 2 Yes

Attachments

None

Members

Success
The owner does not allow comments in this project now

Comments (0)

goToTop
你现在访问的是EasyEDA海外版,使用建立访问速度更快的国内版 https://lceda.cn(需要重新注册)
如果需要转移工程请在个人中心 - 工程 - 工程高级设置 - 下载工程,下载后在https://lceda.cn/editor 打开保存即可。
有问题联系QQ 3001956291 不再提醒
svg-battery svg-battery-wifi svg-books svg-more svg-paste svg-pencil svg-plant svg-ruler svg-share svg-user svg-logo-cn svg-double-arrow
We use cookies to offer you a better experience. Detailed information on the use of cookies on this website is provided in our Privacy Policy. By using this site, you consent to the use of our cookies.