Note: This product does not includes housing!! if you need the housing, please purchased separately This is a DIY kit, you need to have some knowledge of electronics and ability. ...
Description: The speaker consists of 4 mini circuit board, two 3W speakers and component parts. It needs to be soldered by yourself. This is a speaker with LED music spectrum...
Principle: Its working principle is the law of black body radiation. The higher the temperature of the object, the stronger the infrared radiation ability it emits. The temperature data is...
Description: Name: Music Spectrum Display LED Kit; Working voltage: 5V USB power supply; Signal access method: 3.5 audio cable input audio signal; Installation method: DIY welding assembly; Dimensions: Length: 105mm...
Features: 1. 5V power supply (powered by mobile phone chargers, computer UB ports, etc.), or directly powered by 4.2V lithium batteries, which can be directly charged. 2. Dual 3-watt stereo...