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...
I am currently working on a wireless product. Due to structural reasons, I cannot use a button to wake it up. In addition to the Hall switch, are there any other good non-contact wake-up solutions?...
With the continuous development of single-chip microcomputers, the application of PS/2 keyboards in single-chip microcomputer systems is becoming more and more extensive. In fact, there are only 4 ...[Details]
Intelligent and connected cars are changing rapidly, and in-vehicle connected functions and products based on user needs are emerging in an endless stream. The intelligence and connectedness of cars ...[Details]
In order to promote the development of China's chip industry and provide support for the growth of companies in this field, KPMG China recently released the "KPMG China's Second 50 Selection of 'Chip...[Details]
Recently, EPC announced that it would file a lawsuit against the ITC, believing that Innosec had infringed on four of its patents. In the complaint filed this time, EPC details the recruitment of t...[Details]
The half-bridge circuit is composed of two power switch devices and provides a square wave signal to the outside. The DC-DC converter based on the half-bridge is often used in the design of small and...[Details]
Let me clear the blind spots first. In the power system, frequency quality has a significant impact on society and power companies. As we all know, grid frequency is one of the three major indicato...[Details]
Smartphones, smart TVs, smart cars, and even smart watches and smart glasses are the spring of intelligence, and also the spring of Goertek.
In 2011, Goertek's net profit increased by 91%. In the...[Details]
Japan once led the world in power batteries, but has gradually fallen behind China and South Korea in recent years. Panasonic, once the world's number one power battery manufacturer, has now been r...[Details]
The most important thing to learn a programming language is to establish a practice environment. Only by learning and practicing can you learn well. Keil software is currently the most popular softwa...[Details]
On the morning of May 22, Jon Prosser, a whistleblower, said that Apple is developing a limited edition of its AR augmented reality smart glasses, which are designed to look like the round fram...[Details]
Circuit Function
Among wireless transceiver components, 315MHz transceiver components are commonly used, and it is relatively difficult to make them yourself. The wireless transceiver circuit i...[Details]
Figure 5.3-27A shows a basic oscillation circuit consisting of an op amp and a Wien bridge.
The operational amplifier A and the negative feedback loop resistors RF1 and RF2 form th...[Details]
In early 2016, Lyft received a $500 million investment from General Motors and announced the completion of a $1 billion Series F financing. At the time, Lyft said that this round of financing would b...[Details]
All the above analysis
In Figure 1-19, when the working switch turns from on to off, the back electromotive force generated by the secondary coil of the switching power supply transfor...[Details]
RF/Wirelessly
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