I am using EVC, how do I read the text messages in the SIM card? Does it work by scheduled scanning or what events are triggered when a text message arrives? Can anyone give me some advice?...
Set the spin range to 0-1000 and display as 0.0-100. The processing method is as follows: In OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) strValue.Format(L"%3.1f", (double)nPos/10.0); sp...
I recently read the user manual of the ALTREA memory card and have a vague understanding of SOC. Here I will share some of my feelings. If there are any mistakes, please point them out. I personally f...
Contiki does not support the indirect transmission of IEEE802.15.4, but uses RDC instead. Although the purpose is low power consumption, from the overall performance point of view, which one is better...
I made a small system with stm32, and recently the program can't be downloaded. After changing the crystal, it was fixed, but after using it several times, it still can't be downloaded. After changing...
Environment: IAR FOR STM8+STLINK. STM8S103K3made two minimal system boards, STM8S103K3 and STM8L152C6.The minimal system board of STM8L152C6 can be simulated by STLINK. The minimal system boardof ST...
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]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[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
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]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[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 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]