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Smartphone with NFC
And any where where water/air is need to be controlled by solenoid valve
Trigger Current: 2mA
Output Voltage : 3
I2C Serial Interface (Adapter Module for LCD Display) Micro USB Adapter (USB2.0/micro USB) Smartphone with NFCIntroduction : I2C Serial Interface Adapter Module for LCD Display is great Serial Interface Module for interface. As the pin resources of Arduino controller is limited, many project may be not able to use normal LCD shield after connected with a certain quantity of sensors or SD card. However, with this I2C interface module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module
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