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Amazon.com: KingBra MAX6675 K-thermocouple Module Temperature Sensor Replacement Part Compatible with Arduino : Electronics
2PCS QF-C01 12VDC Bond Bistable Relay Module Car Modification Switch Start Stop Module Car Bistable Relay Module Power Supply,Module: Amazon.com: Industrial & Scientific
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Amazon.com: Bluetooth Relay Module Phone Bluetooth Remote Control Switch Internet of Things Bluetooth Module 5v Relay Module : Electronics
Amazon.com: JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
MHCOZY WiFi Wireless Smart Switch Relay Module for Smart Home 5V 5V/12V,Ba applied to access control, turn on PC, garage door (5v) - - Amazon.com
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1Pcs New ZUS152405 D/C:05+ Module: Amazon.com: Industrial & Scientific