Design of safety alarm device for special purpose motor vehicles in defined fields

The low-speed driving characteristics of special motor vehicles are easy to reduce people's awareness of special motor vehicle safety problems, resulting in special motor vehicle safety accidents from time to time. Using the integrated operational amplifier, a special motor vehicle brake light alarm circuit is designed. By detecting whether the brake light is normal, the triode is used to determine the voltage amplified by the integrated operational amplifier, and then determine whether the circuit is on, and the buzzer is used to respond. The alarm device can complete the fault detection of the vehicle brake light, and alarm and remind the abnormal situation.