[i=s] This post was last edited by ddllxxrr on 2017-7-8 08:49 [/i] The convenience of mbed is that it can handle things that are very complicated in other IDEs with just a few lines of code. My goal i...
I bought an ESP32-C3 development board for 9.9 yuan a few days ago, with free shipping, and planned to try running micropython on it. It is very small and well made....
We are a company that makes instruments and meters in Wuhan, and we have two branches abroad. The instrument control uses the ARM system. It is required to be proficient in programming the ARM chip ST...
In fast PWM mode 15, it is planned to modify the duty cycle through INT0 and INT1; however, the experiment found that the interrupt failed. The interrupt configuration is correct, and the interrupt is...
The microcontroller I use is MSP430F5438A, and the effective address of the program segment is 0x45BFF, but sometimes the system freezes. When I check the assembly, I find that the PC pointer points t...
[p=null, 2, left]Cars with anti-lock braking system (ABS), anti-skid control (ASR), four-wheel drive or electronic stability program (ESP) are equipped with Hall acceleration sensors in addition to wh...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[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]
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 this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[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]