LED drive circuit for visible light relay communication

The invention discloses an LED driving circuit for visible light relay communication, and relates to the field of photoelectric detection, and the LED driving circuit for visible light relay communication comprises a cascade amplification unit which comprises a first amplification module and a second amplification module which are connected in series; the field effect transistor driving unit comprises a first emitter follower and a second emitter follower which are connected in parallel; the switch unit comprises a seventeenth capacitor, an MOS tube and an LED module, the two ends of the seventeenth capacitor are connected with the output end of the field effect transistor driving unit and the grid electrode of the MOS tube respectively, and the two ends of the LED module are connected with the drain electrode of the MOS tube and a sixth direct-current power source respectively; and the field effect transistor driving unit is used for driving the switch unit. The LED driving circuit not only can restrain low-