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![Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific](https://m.media-amazon.com/images/I/71NNkhe7-5L._AC_UF894,1000_QL80_.jpg "Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific")
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Amazon.com: New OEM 13500113 GM Relays 5-Pack Multi-Function 4-Pin Relay 19116962 D1777C : Automotive
Amazon.com: Electronics-Salon 2 DPDT Signal Relay Module Board, DC 12V Version, for Arduino Raspberry-Pi 8051 PIC. : Electronics
NTE Electronics NTE2541 NPN Silicon Complementary Darlington Transistor, Motor Relay Driver, 120V, 25 Amp: Amazon.com: Industrial & Scientific
