{"id":34424,"date":"2020-07-08T11:58:53","date_gmt":"2020-07-08T03:58:53","guid":{"rendered":"\/blog\/?p=34424"},"modified":"2021-06-10T14:55:20","modified_gmt":"2021-06-10T06:55:20","slug":"how-to-use-a-cp2102-usb-to-serial-converter-to-log-in-to-your-raspberry-pi-m","status":"publish","type":"post","link":"https:\/\/www.seeedstudio.com\/blog\/2020\/07\/08\/how-to-use-a-cp2102-usb-to-serial-converter-to-log-in-to-your-raspberry-pi-m\/","title":{"rendered":"How to use a CP2102 USB to Serial Converter to log in to your Raspberry Pi?"},"content":{"rendered":"\n
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Background<\/h2>\n\n\n\n

When you buy a Raspberry Pi<\/a> for the very first time and want to configure it, the most common method would be to connect a keyboard, mouse, and display to the Raspberry Pi. But this can be a very troublesome option since you might have to carry them with you when you are traveling.<\/p>\n\n\n\n

\"Raspberry<\/figure><\/div>\n\n\n\n

So, the alternative option which makes it a more simple process is by using a USB to Serial adapter to establish a connection between the Raspberry Pi and your computer. In this blog, we will show you how to use a CP2102 USB to Serial Converter<\/a> to log in to your Raspberry Pi quickly and easily!<\/p>\n\n\n\n

However, if you have a Seeeduino XIAO<\/a> with you, we recommend you follow our blog A new way to log in to your Raspberry Pi \u2013 no USB to Serial cable required<\/a> to learn about logging in to your Raspberry Pi in a brand-new way!<\/p>\n\n\n\n

What is Serial Communication?<\/h2>\n\n\n\n

Before moving on, let’s have a quick introduction to serial communication. Serial communication is a communication method used in telecommunications where data is transmitted one bit at a time in sequential order over a communication channel. It has different protocols such as CAN, ETHERNET, I2C, SPI, RS232, USB, UART, 1-Wire, and SATA. <\/p>\n\n\n\n

\"Serial<\/figure><\/div>\n\n\n\n

It is the simplest form of communication between a sender and a receiver and advantageous in long-haul communications. <\/p>\n\n\n\n

Hardware Setup<\/h2>\n\n\n\n

CP2102 USB to Serial Converter Pin Map<\/h3>\n\n\n\n

Here we use a CP2102 USB to Serial Converter<\/a> to establish a connection between your PC and your Raspberry Pi. We will now look at its pin layout.<\/p>\n\n\n\n

\"CP2102<\/a><\/figure><\/div>\n\n\n\n