Fecha de publicación: 14/11/2023 Fuente: Wipo "IOT" The utility model relates to an Internet of Things terminal circuit based on NB-IOT and an unmanned aerial vehicle, and the Internet of Things terminal circuit based on NB-IOT comprises an NB-IOT chip, an SIM card slot, an MCU chip, an antenna, a terminal output port, and a linear power supply circuit. The linear power supply circuit supplies power to the NB-IOT chip and the MCU chip; the NB-IOT chip is an EC-01F chip, and the NB-IOT chip is The RF signal input end of the NB-IOT chip is connected with the antenna, and the SIM signal port of the NB-IOT chip is connected with the SIM card slot; the NB-IOT chip is in communication connection with the MCU chip through a serial port data line; the MCU chip is connected with the terminal output port; the terminal output port outputs the control signal output by the MCU chip to the outside; according to the utility model, a communication link channel is provided for receiving and outputting information instructions, the universality is good, and the system can be conveniently integrated on various unmanned aerial vehicles of different manufacturers.