购买 4 relay module arduino

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购买 4 relay module arduino

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$11.99
4 Channel Relay Module - Progressive Automations
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2Pcs 4-Channel 5V Relay Module With Optocoupler Compatible With Arduino R3 MEGA 2560 DSP ARM PIC AVR STM32
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Standard Electric Supply Co.
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5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
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5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
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12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay
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AliExpress

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