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Lystin 8 Channel DC 5V DC 230V Relay Module Control Board with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
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GAEYAELE GRT8-S Asymmetric Cycle Timer SPDT Relay 16A AC/DC12V-240V Electronic Repeat Relay(GRT8-S2,AC/DC12V-240V) - - Amazon.com
