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This board has four (4) on-board relay which can switch up to 7Amps
advanced projects Performance Improvement — Significant upgrade in CPU
High quality
Light Dependent Resistors (LDR) are also called photoresistors
the Onboard adjustable resistor controls the ambient light threshold of toggling the infrared LED
Reed Switch Electronic Accessories This board has four (4)Reed Switch A reed switch sensor module is a sensor that closes the circuit in the presence of a magnetic field. Reed sensors can be used in many applications where contactless on off is required. However, reed switches can be fragile to use directly, hence this module can make it easier to handle and mount the sensor in various applications. This module can be applied in Program controlled switches, copiers, washing machines, refrigerators, cameras,
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