Distance Measuring Loose Parts Distance Measuring Instrument Based On 51 Microcontroller Designed Reversing Radars Alarm DIY Electronic Soldering Kit

【Integrated Design】: Consists of a special circuit board, STC microcontroller, digital tube, high-precise distance measuring module, buzzer, and other components, highly integrated., 【Easy to Use】: Simple operation, no programming required, can be used by simply plugging into the powersupply, no professional knowledge required., 【High-precise Distance Measurement】: HC-SR04 high-precise module, built-in high-accurate distance measurement probe, stable distance measurement, measuring distance up to 4 meters, to meet most of the distance measurement needs., 【Real-time Display】: Transistor-driven digital tube, the digital tube real-time display of the current distance to the obstacle, so that the user can real-time grasp the distance information., 【Alarm Function】: Buzzer alarm function, when the distance is less than the alarm distance, an alarm sound is issued to remind the user to pay attention to increase safety.