We analyze the wireless visible light simplex data transmission channel based on visible light communication (VLC) technology and determine 2 main types of errors that occur while using a modern smartphone as a receiver. We have calculated highest probable data transfer speed in our communication channel, and have developed a cyclical data transmission system with bandwidths of up to 4 kbits at a distance of 1 m, using a conventional domestic LED illuminator equipped with a modulator as a transmitter and a developed client application for an Android smartphone with a standard camera module as a receiver.