Multispectral detection of money counter

The multi-spectral light source, lens array, image sensor unit array, control and signal amplification circuit, and input and output interface formed by LED particles of different wavelengths arranged in a matrix; the multi-spectral light source and lens array form an optical path system for emitting light and The reflected light on the RMB is focused on the image sensor unit array, and the multi-spectral image sensor image analysis function is used to identify the authenticity of the banknotes.