1.iso Tc 23/sc 19 Wg3 The main standards for animal identification are iso 11784:1996 iso 11785:1996 iso 14223:2000 2.iso Tc 204 The main standards for road traffic information are iso/dtr 14813-1 to ...
In battery-powered applications, power consumption is a very important indicator. Battery-powered cameras usually use two MCUs to implement this, one ultra-low power MCU is in long-term working state,...
[NUCLEO-WL55JC2 Review] + Development environment establishment and data preparation
1. NUCLEO-WL55JC2 Development Tools
IAR compiler (EWARM version 8.30.1) and abovehttps://www.iar.com/iar-embedded-w...
Handheld radio is the abbreviation for handheld walkie-talkie. The general transceiver format of handheld radio is FM, the power is about 5W, the frequency range is VHF:144-148, UHF:430-440 amateur bu...
Why does the output voltage of the transistor voltage regulator circuit equal the base voltage minus VBE?
Why is the output voltage not equal to the input voltage minus the VCE voltage? Aren't these t...
The supporting materials are in the "iTOP-3399 Development Materials Summary (excluding CD materials) \06_iTOP-3399 Development Board Androidstudio\Install Androidstudio" of the network disk materials...
Resistors are the most commonly used electronic components in electronic products, accounting for about 35% of the total, and some products such as color TVs account for 50%. Therefore, the qualit...[Details]
This design aims to produce a powerful alarm system that can notify the parties in time when an emergency occurs, even if they are not near the scene, and automatically call the alarm. Compared with o...[Details]
The following experimental program is relatively simple. It is based on the previous one and adds a subroutine to receive a character from UART in a query mode. In the main loop, it waits for a chara...[Details]
1. Background With the development of the times, people hope to integrate CPU, RAM and other devices into one platform to work, and the single-chip microcomputer was born. So far, there are many ty...[Details]
The digitization of megacities, high-quality governance, and smart cities have always been hot topics in all walks of life in recent years. In various related news and analyses, we often fall into su...[Details]
introduction With the rapid development of wireless local area network (WLAN) and world-wide interoperability for microwave access (Wimax), multi-frequency communication system will become the do...[Details]
ZigBee is an emerging wireless communication technology with the characteristics of short distance, low power consumption, low cost and low data rate. The characteristics of smart home are that the ne...[Details]
Recently, the 6KV vacuum switch energy storage motor circuit improvement project of Shenhua Guohua Power Shundian Company was awarded a national patent.
During the actual use of the 6kV vacuum...[Details]
The vortex flowmeter is a new type of flow measuring instrument made based on the "Karman vortex" principle. When a stable fluid flows through a straight pipe of a certain length, it hits a nonline...[Details]
Let me first talk about the IDE and hardware I use. The IDE is IAR integrated development environment. I have used IAR since I learned microcontrollers. I have also used CCS, but I don’t think it is ...[Details]
Ford Motor Co., Ltd. announced plans to invest more than $1.45 billion and add 3,000 jobs in two production plants in southeast Michigan to further consolidate its leadership in the truck and SUV mar...[Details]
The timer counter of the microcontroller is used to delay in milliseconds and microseconds, which is more accurate. The flag generated when the overflow is detected is used to determine the delay tim...[Details]
With the promotion of the "integration of space and earth" technology system of communication system, mobile communication is developing towards seamless coverage. The wide coverage of satellite mo...[Details]
How to measure the quality of DB107S bridge rectifier? After getting a DB107S, place it as shown in the picture (the two pins below represent AC, connect to alternating current, and when measuring, t...[Details]
It is precisely because of the contributions of these companies that the traditional energy-using process has begun to consider the use of electricity. In the past, we used oil and coal, so how could ...[Details]