Click the “blue text” above to follow us Below is the purchase link for the ESP32 learning kit 1 Main Content of This Section 2 Equipment Purchase & Course Viewing 3 Course Outline 4 Cooperation Methods *What rights can be enjoyed through course cooperation? ① Provide all PPT courseware source files ② Provide program files … Read more
Task for This Lesson: 1. Learn the internal principles of the digital tube. 2. Correctly distinguish between common cathode and common anode digital tubes. 3. Master the wiring and programming methods for the digital tube. 4. Program to control the dynamic display of numbers from 0 to 9 on the digital tube. Hardware Wiring: Common … Read more
1.System Functions In the STM32 main control system, we implemented a 4×4 keyboard matrix interface for convenient input of student ID numbers. Users only need to press the corresponding number key, and the LCD1602 LCD screen will immediately display the entered value. Once the user enters a continuous sequence of 8 digits, pressing the “Confirm” … Read more
Operating the TM1637 four-digit digital tube on Raspberry Pi – Only Learning for a Long Time https://blog.whwtf.com/index.php/2022011324.html General Technology Raspberry Pi Display Time https://testerhome.com/topics/12130 Raspberry Pi 3B+ TM1637 4-digit digital tube Raspberry Pi GPIO T-type expansion version connection wire Dupont wire (new) Raspberry Pi 4B system image and WIFI remote configuration information link: https://pan.baidu.com/s/1Jan7v6DuHxY6VmYcLNfTHQ Extraction … Read more
Introduction to Digital Tubes The pins related to data of 74HC595 can be divided into three categories: DS: Serial data input, connected to a certain digital I/O pin of the microcontroller. Q0~Q7: 8-bit parallel data output, can directly control 8 LEDs or the 8 pins of a seven-segment digital tube. Q7′: Cascade output terminal, connected … Read more