Hey, In today's blog we are going to make raspberry pi attendance system. WHAT YOU NEED: Raspberry pi RC522 RFID Reader 16 × 2 LCD display 10k potentiometer Breadboard Jumper wires Micro SD card Ethernet cord Power supply Preparing Raspbian for your RFID Attendance System 1. To start, we will first ensure that everything is up to date on our Raspbian installation by running the following two commands on the Raspberry Pi. sudo apt-get update sudo apt-get upgrade 2. We will now install all the packages that we will be relying on for the next few sections. Let’s begin by installing build-essential , git , python3-dev , python3-pip , and python3-smbus by running the command below. sudo apt-get install build-essential git python3-dev python3-pip python3-smbus Building the 16×2 LCD Display Circuit 1. To start our tutorial, we will first begin setting up the 16×2 LCD. We will be quickly running through the process of setting this all up. If you want to learn more you can ch