In this code, why does the error F11EX.c (156):error c175 :0x1b :duplicate case value appear in case 0x1B:? switch (keyboard_data) { case 0x45: //0 {;} break; case 0x16: //1 {;} break; case 0x1B: //S ...
for(i=0;i<10;i++) { ad=read2543(0x80); //0x80 9th channel ad1[i]=ad; k=k+ad1[i]; } k/=10; a=k; I use digital tube to display. If k is displayed directly, it is the correct value. If a=k is added, the ...
StartFragmentBuild target 'Stm32-ucosII-demo'linking....\Output\Stm32-ucosII-demo.axf: Error: L6218E: Undefined symbol BSPInit (referred from app.o)..\Output\Stm32-ucosII-demo.axf: Not enough informat...
[align=left][url=https://bbs.eeworld.com.cn/thread-378044-1-1.html][color=#810081]Based on [font=Times New Roman]Hercules[/font][font=宋体]pedal controller[/font][font=Times New Roman]DIY[/font][/color]...
Dear experts, I want to use the USB of AT91SAM7S64. I have a basic understanding of the USB protocol, but there is no ATMEL USB example program. So when I start writing code, I still feel at a loss. I...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
51mcu
京公网安备 11010802033920号
EEWORLD
