The CP2103 includes a USB 2.0 full-speed function controller, USB transceiver, oscillator, EEPROM, and asynchronous serial data bus (UART) with full modem control signals in a compact 5x5 mm QFN-28 package (sometimes called MLF or MLP).
Cp2104 Usb To Uart Bridge Controller Serial Number As DesiredThe on-chip EEPROM may be used to customize the USB Vendor ID, Product ID, Product Description String, Power Descriptor, Device Release Number, and Device Serial Number as desired for OEM applications.
Cp2104 Usb To Uart Bridge Controller Full Modem ControlThe EEPROM is programmed on-board via the USB, allowing the programming step to be easily integrated into the product manufacturing and testing process. As MF experience, the CH340G has strict requests on the load capacitance, that 20 not works in every production bad Lucky is that the new generation of CH340C released, this CH340C with internal oscillator, works much better. Arduino uses a programmed 16U2 to act as a USB2UART convertor but not FTR232, it should be because the 16U2 is much cheaper than the FT232 solution, but by now, there so much other cheaper solutions, this solution not popular, at least we do not have even 1 customer using this solution, in the past 3 years. Solution2 CH340C Because the PL2303 not stable popular, and the Atmega16U2, I do not know, anyway, it is not so cost-effective. Its super tiny and cheap, only 3.5, also very easy to use, you can plug in directly into Makerfabs products to programming. Below are Makerfabs the Lora soil moisture sensor and the 30A Lora relay, super easy and convenient with CP2104 USB2UART programmer. DTR pins available, which is essential for Arduino auto-programming; 3. With this easycheap module, it would be the most ever easy for communication between your PC with Arduino, both for serial port communication of Arduino auto-programming, such as the Lora moisture sensor and Lora 30A relay.
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