SP107E is an LED music controller (which is made in China) that costs around $20 and you can use a NeoPixel ring or NeoPixel strip or NeoPixel display matrix (according to your need) to build your own NeoPixel VU Meter. Our readers may ask, why we are not using Arduino or ESP32 instead using SP107E.
The fact is that SP107E is a ready-to-use unit with various options for audio input and a powerful app for iPhone and Android. Apart from some sort of NeoPixel, you only need some way of supplying 5V to 24V DC power. Otherwise, it is extremely fast to set up and works out of the box without the need for a single line of coding. However, like any low-cost Made in China things, this also does not stay long. But it works and delivers amazing effects.
You can choose the number of strings/segments and the number of pixels per string. It can control up to 960 pixels (32×30). This opens up the possibility create a curtain made of NeoPixel (which is great in festive seasons such as Diwali, and Christmas and also in weddings, birthdays etc parties). The purpose of this article is to provide you with knowledge of its existence.
The thing can be controlled with a free App over Bluetooth 4.0. It has 18 types of LED strip music effects and 30 types of LED matrix music effects. Almost all the parameters such as colour, hue, brightness and speed can be controlled.
There are two ways to input the audio signal, either by using a 3.5mm plug or the built-in microphone.
The brochure mentions the working current to be 18mA~45mA. Please remember that using 5v NeoPixel and 5v DC supply is probably the safe specification to use. If the working voltage and max amp of your led light is 5V 10A 50W, the power supply output must be 5V 10A 50W at minimum.
The rest of the things are written on the brochure. You’ll get a lot of videos on YouTube about SP107E LED Music Controller which can help you during the setup.