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Lonely Binary ESP-01S DC Switch Kit Barcode which guarantees crystal-clear audioIntroducing the Lonely Binary ESP 01S DC Switch Kit: Wi Fi Powered Control for USB Devices Our comprehensive kit equips you with all the components required to assemble a Wi Fi controlled DC switch, allowing you to manage USB powered devices like lights, fans, and more with ease. At the core of this kit lies the versatile MOSFET (Metal Oxide Semiconductor Field Effect Transistor), which serves as the switch for turning USB devices on and off. MOSFETs