5V/12V 2CH Bluetooth Relay Module Smart Home Mobile APP Remote Control Switch AU
ab 7,76 €
Speed Reduction Gear. Arduino module. The 5V dual circuit Bluetooth relay module consists of 2 5V//10A relay modules and a SPP-C Bluetooth serial slave module. Motor Drive Module. Prepare a USB to TT serial module, TTL module GND, TX, RX respectively relay module GND, TX, RX.
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