Tag: Audio amplifier

How to build Jaycar’s Sound Level Meter Kit project- KJ8212- Short Circuits Vol II

Posted on May 31, 2019June 12, 2020 by kitstvcom

This is a sound level meter project from Jaycar. It is based on LM3915 chip. The kit displays the volume intensity via LEDs. It is a visual representation of the audio level.
For the maximum volume of an audio source, the yellow and red LEDs light up. For medium sound level, only GREEN LEDs light up. In the video, you will see all the steps required to build the project.

How to build Jaycar’s No Brainer Amplifier project- KJ8216-PROJECT SC2 #9

Posted on May 31, 2019June 12, 2020 by kitstvcom

This is basically an audio amplifier with one sound channel. Build the kit and connect it to an audio source using a mono jack. You will need two kits to make it stereo amplifier. The source can be your another FM radio project, mp3 project, etc.

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