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Amazon.com: Adafruit Power Relay FeatherWing [ADA3191] : Electronics
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Amazon.com: McMurdo FAST FIND 220 Personal Locator Beacon (PLB) (45016) : Everything Else
Electromagnetic Relay 230VAC/220VDC 1NO 1 NC Interface Relay, Interface Relay Module, Relay, for Equipment Control PLC Automation Control Switch Home: Amazon.com: Industrial & Scientific
AC 220V SSR Single Phase Solid State Relay Fully Isolated Intelligent DC Voltage Regulating Relay Module(BEM-60-ZN-TY-220): Amazon.com: Industrial & Scientific