License Plate Recognition System Installation Method

In order to make the detector work, the inductance of the coil should be kept between 100uH-300uH. With the coil inductance constant, the number of turns of the coil has an important relationship with the perimeter. The smaller the perimeter, the more loops there are. Since there may be buried.......

LED display instructions

LED display instructions :
As with traditional electronic products, not only do you need to pay attention to methods during use, but you also need to maintain and maintain the display screen so that the LED display screen can have a longer lif.......