Gravity: Terminal Sensor Adapter V2.0

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This is universal sensor adapter V2.0, it can be accessed by digital input modules and analog input module. The module with Arduino sensor expansion board, in combination.Improvmen t compare with the old version,we add a 10K resistor between A & B, A & C respectively,so that you needn't to connect a addition resistor while the sensor must have a pull-up or pull-down resistor. Why need a pull-up or pull down resistor, please refer to"Understanding pull-up and pull-down resistors" Generally speaking, this terminal provides a much easier way to connect a switch or any modules that requires pull-up/down resistor to microcontroller . Show more