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4 channel 5v relay shield module, Four channel relay control board relay expansion board for UNO R3 mega 2560

 600.00
Description:This 5V 4 Relay Shield Module is a small current signal control power equipment commonly used electronic module, enabling high-power

433MHz 12V 1 Channel Relay Module Wireless Remote Control Switch

 1,000.00
433MHz 12V 1 Channel Relay Module Wireless Remote Control Switch is controlled by an intelligent microprocessor, which can be used