Circuit schematic
Parts list
Program (C language)
#include unsigned char smg[]={0x5b,0x3f,0x5b,0x3f};//2020 glyph code (common anode) void delay(unsigned int time); void main() { unsigned char i,W; while(1) { W=0x01; for(i=0;i<4;i++) { P1=W; W<<=1; P0=smg[i]; delay(10); } } } void delay(unsigned int time) { unsigned int j=0; for(;time> 0;time--) for(j=0;j<125;j++); }
Previous article：Simulation of automobile left and right turn signals based on single-chip microcomputer
Next article：51 single-chip microcomputer, four-digit digital tube, 4 LED lights and 4 buttons to achieve multiple functions
- Popular Resources
- Popular amplifiers
UA715DCQR
Recommended Content
Latest Microcontroller Articles
- Learn ARM development(16)There are many things to learn about ARM, and interrupts are definitely something that needs to be learned. Since the CPU introduced interrupts, it has truly entered the multi-tasking system and greatly improved work efficiency. ...
- Learn ARM development(17)Because all embedded systems use interrupts, how does my S3C44B0 interrupt the process? Then I need to understand the whole process. To understand it in depth, the best way is to write a program ...
- Learn ARM development(18)Last time, we have learned about the interrupt handling process of ARM and how to set the interrupt function. So, does it work like this? The answer is no. Because S3C44B0 has several registers that control ...
- Embedded system debugging simulation toolAfter the embedded hardware system is designed, it needs to be debugged. Whether it is hardware debugging, software debugging or program solidification, debugging simulation tools are needed. ...
- A small question that has been bothering me recently has finally been solved~~Recently, I have not been able to understand the concept of drivers very well. Sometimes I can get a feel for it by combining some USB examples written by others, but because the ARM system does not directly explain the pins like the microcontroller ...
- Learn ARM development (1)
- Learn ARM development (2)
- Learn ARM development (4)
- Learn ARM development (6)
He Limin Column
Microcontroller and Embedded Systems Bible
Professor at Beihang University, dedicated to promoting microcontrollers and embedded systems for over 20 years.
MoreSelected Circuit Diagrams
MorePopular Articles
- LED chemical incompatibility test to see which chemicals LEDs can be used with
- Application of ARM9 hardware coprocessor on WinCE embedded motherboard
- What are the key points for selecting rotor flowmeter?
- LM317 high power charger circuit
- A brief analysis of Embest's application and development of embedded medical devices
- Single-phase RC protection circuit
- stm32 PVD programmable voltage monitor
- Introduction and measurement of edge trigger and level trigger of 51 single chip microcomputer
- Improved design of Linux system software shell protection technology
- What to do if the ABB robot protection device stops
MoreDaily News
- CGD and Qorvo to jointly revolutionize motor control solutions
- CGD and Qorvo to jointly revolutionize motor control solutions
- Keysight Technologies FieldFox handheld analyzer with VDI spread spectrum module to achieve millimeter wave analysis function
- Infineon's PASCO2V15 XENSIV PAS CO2 5V Sensor Now Available at Mouser for Accurate CO2 Level Measurement
- Advanced gameplay, Harting takes your PCB board connection to a new level!
- Advanced gameplay, Harting takes your PCB board connection to a new level!
- A new chapter in Great Wall Motors R&D: solid-state battery technology leads the future
- Naxin Micro provides full-scenario GaN driver IC solutions
- Interpreting Huawei’s new solid-state battery patent, will it challenge CATL in 2030?
- Are pure electric/plug-in hybrid vehicles going crazy? A Chinese company has launched the world's first -40℃ dischargeable hybrid battery that is not afraid of cold
Guess you like
- Can the master device send data to the slave device?
- MOSFET tube "fully saturated conduction"?
- [Sipeed LicheeRV 86 Panel Review] 4-Building the Compilation Environment
- DIY multifunctional STM32 mini remote control (with engineering files, can be used directly as a board)
- What does the internal structure of this chip mean? Any experts passing by, please come in and give me some advice, please!!!
- 【AT32F421 Review】+RTC Electronic Clock
- CapTIvate capacitive touch sensing microcontrollers
- MES server and finished product marking machine control instructions
- [Synopsys IP Resources] AI+ML brings the long-running battle of chip verification to an end ahead of schedule
- Calculation method of maximum power handling of LTCC low-pass filter
京公网安备 11010802033920号