strneb r2,[r3,r4] means send address r3+address r4 to r2 or send address r3+address r4 to r2 ldr r0,[r1],#4 means send the value of r0 to address r1, address r1+4 or send the value of r0 to address r1...
1(T1in)--->14(T1out) Rx In vc, I use API functions to communicate with the serial port. I want to use hardware stream DTR/DSR to control the communication of the serial port. The general idea is as fo...
Friends, if you are given an ultra-low-power Bluetooth 5.0 system, including Arduino connectors, temperature monitoring, multiple sensors and simulators, combined with your creativity, what kind of sm...
EEWORLD社区onsemi and Avnet IoT Innovation Design Competition
[align=left]In the BootLoader Overview, we already know that the implementation of BootLoader depends on the processor architecture. For the convenience of porting, most BootLoaders can be divided int...
[i=s] This post was last edited by littleshrimp on 2017-12-22 22:49 [/i] [font=微软雅黑][size=4]Designing this electronic ink screen thermometer and hygrometer is quite brain-consuming [/size][/font] [fon...
1. EDMA3 controller The controller handles all data transfers between memory and peripherals on the DM6437. This includes cache services, non-cache memory accesses, user programmable data transfers, a...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
Some industrial applications require a
three-
phase supply to be fed into a low-power dc/dc converter that may have to handle 200V or 400V effective line-to-line voltages. In addition, the...[Details]
The physical interference of dc/dc switching power converters is well known unless the system and circuit diagram are carefully designed. These converters can inject unwanted charge into the electr...[Details]
In recent years, information technology based on microelectronics and computer technology has developed rapidly, and ultrasonic non-destructive testing instruments have also gained unpreceden...[Details]
Embedded System
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