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Amazon.com: EC Buying CP2112 Debugging Board USB to SMBus I2C Communication Module 2.0 MicroUSB 2112 CCS811 Sensor CP2112 GPIO 4.0~5.25V HID USB-to-SMBus API Specification Multifunction Serial Adapter Module : Electronics
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Serial Port To Standard USB HID Keyboard And Mouse Device Module CH9329 Module supports both regular and multimedia keyboards - AliExpress
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