With the rapid development of mobile Internet and Internet of Things, and the emergence of more and more smart devices, there will be great communication needs in various fields such as AR/VR, ultra-h...
When measuring capacitance with a capacitance meter, a negative sign is displayed before the measurement result. Even if the needle is swapped, the negative sign is still displayed. What is the reason...
1. Introduction
Originally, I wanted to design a portable device for people entering tunnels or mines to wear. Since there are no NB or 4G signals in tunnels or mines, signals can only be transmitted ...
w494143467onsemi and Avnet IoT Innovation Design Competition
Using the opamp6 of stm32g474 configured in voltage follower internal connection mode, connected to adc4 internally, the sampled adc4 data is always zero, and opamp6_vinp cannot be changed.
opamp6_vin...
[i=s]This post was last edited by Jacktang on 2020-9-21 21:05[/i]As one of the main ways of interaction between humans and machines, the human machine interface (HMI) is a fundamental part of process ...
Let's do an exercise directly and define a function to exchange the contents of two variables.
void swap(int *x, int *y);void main(){int x = 20, y = 10;swap(x, y);printf("x = %d, y = %d", x ,y);}void ...
Bird and u-blox have collaborated to develop the first intelligent pedestrian protection solution based on multi-sensor fusion. Shanghai, China - October 21, 2021 - Bird, an environmentally fri...[Details]
Design of a Practical Switching Power Supply
1. Working Principle
Let's first get familiar with the working principle of a
switching power supply
that can output 5V voltage, as ...[Details]
Inductors are commonly used components in switching power supplies. Since their current and voltage phases are different, theoretically, the loss is zero. Inductors are often energy storage compone...[Details]
South Korean chipmakers Samsung Electronics and SK Hynix have just one week left to decide how they will respond to U.S. requests for information about their supply chains. On September 24, the Unit...[Details]
1 Introduction
Meteorological disasters are natural disasters that seriously threaten the safety of people's lives and property. The losses caused by a disaster often reach billions or even te...[Details]
1. Types of abnormal interrupts in ARM: Abnormal interrupt name Meaning Reset When the processor reset pin is valid, the system generates a reset exception interrupt, and the program jumps to th...[Details]
AMD announced the addition of three new processors to the second generation AMD EPYC processor family - AMD EPYC 7F32 (8 cores), EPYC 7F52 (16 cores), and EPYC 7F72 (24 cores). These new processors c...[Details]
Apple's Mac and iPhone chips may be the most powerful chips yet, TSMC's 3nm. But a new report points out that Apple is working hard to develop next-generation 3nm chips, focusing on more advanced 2nm...[Details]
Systick, also known as tick timer, is a 24-bit simple timer of the STM32 core, often used for delay and system heartbeat functions. Systick has a total of 4 registers CTRL, LOAD, VAL, CALIB The def...[Details]
1. Working principle of leakage protector
At present, the most widely used leakage protector in construction sites is the current type leakage protector, which consists of five parts: zero-seq...[Details]
Huawei will release the Mate 30 series flagship on September 19. It is worth mentioning that the entry-level Enjoy series new products will also be launched soon. On September 2, well-known w...[Details]
For hexagonal nuts, the commonly used standards are: GB52, GB6170, GB6172 and DIN934. The main differences between them are: GB6170 is thicker than GB52, GB6172 and DIN934, commonly known as thick ...[Details]
The previous note recorded the functions of the interrupt enable register, timer/counter working mode register (TMOD), and timer/counter control register (TCON) of the 51 single-chip microcomputer. T...[Details]
RF/Wirelessly
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