Project Overview:
This project is a fast-response attendance device based on an ESP32-WROOM-32 module, SD card, and ST7735 driver-driven TFT screen. It displays the list stored on the SD card on the TFT screen. The list is stored as a JPEG image. Because the program is entirely written in C and has no operating system, it has a fast response time, starting up and becoming operational within 5 seconds, making it ideal for classrooms, offices, and other scenarios requiring rapid response. This program fully utilizes the features of the ESP32-WROOM-32 module, SD card, and TFT screen, bringing great convenience to the classroom and suitable for schools and other places where lists need to be displayed. This attendance device is lightweight, convenient, and easy to use. With just a touch, student names will randomly appear on the screen. It not only facilitates teachers' operation but also makes students look forward to attendance taking.
Project Functionality:
This design is a lightweight and easy-to-use device. With just a touch, student names will randomly appear on the screen. Such a device not only facilitates teachers but also makes students look forward to attendance taking. It can be used not only in the classroom but also in various situations requiring fair and random selection. This innovative design is expected to bring convenience to many educators, making teaching more efficient and equitable.
Project Parameters:
[This section can be used to describe the relevant functional parameters of the project. Example:]
This design uses the ESP32WORK32 chip for fast response;
it uses an ST7735S TFT display, capable of displaying multiple colors to make your classroom more vibrant;
it uses silent buttons for better tactile feedback;
it automatically detects the SD card and the existence of the list file, automatically displaying the number of students for easy compilation;
it is equipped with an easy-to-use compiler, making list compilation simpler;
[Image of actual product]



Note:
Replicating this product also requires screws and screw posts. Their specifications are:
Screws:
M2 8 mm 4
, M2 3 mm 4;
Nuts:
M2 3 mm 4,
M2 5 mm 4