Neu 125 KHz Wireless Modul EM4100 ID Lesegerät RFID Modul präzise
Description: 1, independent crystal: Understanding of the technology are aware of the importance of independent crystal, many microcontrollers are now integrated within the crystal, but because of limited size, can only be integrated RC crystal, RC crystal is the advantage of cheap, easy integration, the disadvantage is unstable, vulnerable Temperature impact; but many businesses in order to save costs, still use the internal crystal, we produce the product resolutely put an end to this phenomenon (at the cost of using external crystal). 2, the coil can be plugged: This is really important, especially when the equipment repair replacement, because the coil is hit the plastic hit the shell, if the coil is not a flexible way to use, the scene is difficult to operate. 3, serial port and Wieg.
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