All SMD components included and assembled onto the board. Through hole components are not included

THE NEW IMPROVED PCB FOR 14 CHANNEL SPECTRUM ANALYZER V2.01

PCB Set for 14 Channel spectrum analyzer (280) leds (WS2812) controlled by Arduino When fully assembled, this PCB set can be used to drive a 14 Channel spectrum analyzer with leds (WS2812) controlled by Arduino. Arduino sketch is available for download an can be adjusted to your needs. This included the option of changing the number of leds you use in your build. The main pcb has space for most components like the digital and analog electronics while the smaller pcb can hold the components for the user interface.

Why did you make it? Although my design was inspired by a build from a user names Platinum who has build and published something similar(open source), I felt the need to adjust his design to my needs. It now includes a microphone amplifier and a complete rewrite of the (downloadable) firmware (Arduino sketch)

What makes it special? - Onboard Microphone amplifier - Possibility to switch between line-in and microphone - Firmware that is needed to program the Arduino( Sketch ) available for (free) download.

SMD PRE-ASSEMBLED All you need to add are all the through hole components. So don't worry about soldering the small SMD components. It has been done for you. All you need to add and solder are the through hole components

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