For newer designs, the CP2102N devices offer compatible footprints and are recommended for use instead of the CP2103. The CP2103 USB to UART Bridge provides a complete plug and play interface solution that includes royalty- free drivers.
CP210x USB- to- UART devices necessarily require drivers to operate. These drivers can normally downloaded and installed from here: Communication – RS232 Basics.
In the previous post, we discussed about the basics of serial this post, we will learn about the RS- 232 protocol of serial communication. This is the protocol you will be using the most when involving microcontrollers like AVR.