What is billing?Billing is the process of keeping accounts and collecting money. When you use a service, you need to pay the corresponding fee based on the service content and duration. This is billin...
Refer to the Weather Station example to make a simple environment detection program, as shown below: This is done by using controls to monitor temperature, humidity, air quality, atmospheric pressure ...
Recently, Qorvo pointed out in WiFi 6 and “CHIP” will promote the popularity of the Internet of Things :
Today, the IoT is served by competing networking standards such as Zigbee, BLE, Thread, Apple H...
I want to make a STM32F429 core board recently. In addition to the SDRAM EEPROM Ethernet transceiver chip circuit and the most basic minimum system circuit, the board does not plan to add an LDO power...
0 Introduction
Electrical control
If there are competition and risk problems in the circuit, it will directly endanger the safety of people and machines, cause major acciden...[Details]
On June 13, BOE and JD.com held a celebration ceremony for the first anniversary of the "Beijing Empowerment Plan" to review the results of cooperation and discuss future directions. Dr. Gao Wenbao, ...[Details]
What is "LED double-sided flip"?
"LED two-sided flip" is also called LED flip screen or LED three-sided flip. It is a high-end outdoor advertising media that combines LED full-color screen and...[Details]
A friend who is an enthusiast wants me to release video tutorials on AVR and ARM. I said that I can record videos on ARM, but there is no need to talk about AVR. This friend was puzzled when I said th...[Details]
Sina Digital News reported on the morning of January 3 that well-known whistleblower Mark Gurman made a new wave of predictions for Apple's new products in 2022. In his "outlook", Apple's iPhon...[Details]
A single-chip microcomputer, also known as a single-chip microcontroller, is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a chi...[Details]
Insulation resistance testers, commonly known as digital megohmmeters and digital megohmmeters, have become increasingly accepted by electrical people. Many engineers who have upgraded from old-fas...[Details]
When the microcontroller performs various operations, the CPU completes the related work in strict accordance with the prescribed time sequence. This time sequence is called timing.
Single cycle ...[Details]
Oscilloscopes are widely used test instruments. They can be used to observe the waveform curves of various signal amplitudes changing over time. They can also be used to test various electrical quant...[Details]
January 4 , 2024 – Recently , the Suzhou Municipal Science and Technology Bureau announced the list of companies to be included in the 2023 Suzhou “Unicorn” cultivation enterprises and the anno...[Details]
According to AnTuTu, on October 12, a new SoC running score data appeared in the background of AnTuTu. Judging from the architecture, this is the Exynos 1080 that Samsung had previously announ...[Details]
Various types of main power stage topologies for LED TVs have been introduced, such as asymmetric half-bridge converters, dual-switch forward converters, and LLC resonant converters. Among them, th...[Details]
Both theoretical calculations and experimental data tell us that the propagation speed of light and electromagnetic waves in a vacuum is C=3X108 m/s, which has been universally recognized. Since
...[Details]
The BOE Wuhan 10.5-generation LCD production line visit and TV display technology tasting event with the theme of "Seeking the Source" was held in Wuhan. At a time when the current TV industry and ...[Details]
RF/Wirelessly
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