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Water flow control system
56 Mhz (Read - Write) RC522 module is easy to use and can be used in a wide range of applications
3V Voltage Regulator
With NFC library support for Arduino
Diameter: 66mm
SIM800L GPRS GSM Module Mini USBISP USBASP Programmer Water flow control systemIntroduction : SIM800L GSM GPRS module is a GSM modem, which can be integrated into a great number of IoT projects. You can use this module to accomplish almost anything a normal cell phone can; SMS text messages, Make or receive phone calls, connecting to internet through GPRS, TCP IP, and more. The module supports quad band GSM GPRS network, meaning it works pretty much anywhere in the world. The SIM800L GSM GPRS board features compact size and low
