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继电器控制模块
- 通过单片机GPIO口控制继电器的吸合。带光耦隔离，安全可靠。亲自适用该电路参加电子设计大赛有效。(The pull-in of relay is controlled by GPIO port of MCU. With optocoupler isolation, safe and reliable. It is effective to apply the circuit in person to participate in the electronic design competition