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water control
MQ-4 Sensor is highly sensitive to Methane - CH4
Control via AT commands
Micropower Operation
All input signals are isolated by optical coupler
Micro SD Card Module mach3 water controlThe micro SD Card Module is a simple solution for transferring data to and from a standard SD card. The pin out is directly compatible with Arduino, but can also be used with other microcontrollers. It allows you to add mass storage and data logging to your project. This module has SPI interface which is compatible with any sd card and it use 5V or 3. 3V power supply which is compatible with Arduino UNO Mega. SD module has various applications such as
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