I'm using a Bluetooth chip recently. This chip is powered by DCDC+LDO, so an external 39uH power inductor is used. There is only a 0.2mm gap between the inductor and the shielding cover. During the te...
RK3288 All-in-one development motherboard, using Rockchip quad-core chip RK3288 solution, main frequency up to 1.8GHz. Support common external devices, rich interfaces, stable performance. Support mul...
How to make a 1.5V-220V inverter at home? Let's take a look at how this netizen did it, but what is the principle? Welcome to discuss it.Source: https://hackaday.io/project/167471-mini-inverter-15v-to...
Medtec China 2020 will be held as scheduled at the Shanghai World Expo Exhibition and Convention Center from September 14 to 16. At the same time, the "Innovation Technology Forum and Regulatory Summ...[Details]
STM8L IAP upgrade chip: STM8LXXX Communication method: SPI IDE: IAR for STM8 Due to work requirements, I need to implement IAP upgrade based on SPI communication. I searched for some information o...[Details]
According to market research institutions, China's demand for LED general lighting will reach US$10 billion by 2015 and US$22 billion by 2020. It is an inevitable trend for LED lighting to graduall...[Details]
Solid electrolyte materials are made up of hundreds of thousands of small crystalline regions, called grains, with different orientations. In fuel cells and batteries, these materials transport ions,...[Details]
The Guangzhou Municipal Bureau of Industry and Information Technology issued the "Opinions on Promoting the Accelerated Transformation and Upgrading of the Automobile Industry in Guangzhou (Draft for...[Details]
Power management is the art and science of maximizing the efficiency and performance of RF devices by optimizing input and output signals, and it’s no easy feat. Every network device has its own un...[Details]
Recognizing facial expressions and emotions is a basic and very important skill in the early stages of human socialization. Humans can look at a person's face and quickly recognize common emotions: a...[Details]
On the evening of August 19, after the U.S. stock market opened, Apple's stock price continued to rise, reaching US$468.36 at one point during the session. Its market value exceeded US$2 trillion, re...[Details]
1 System measurement principle
The measurement method adopts multi-cycle synchronous measurement method to ensure the measurement accuracy.
The principle of multi-cycle synchronous meas...[Details]
Because when measuring resistance with the ohm range of a multimeter, the deflection current of the meter head has a certain relationship with the resistance being measured when the voltage is certai...[Details]
According to foreign media reports, so far, people have been focusing on vehicle comfort: when it is cold outside, people need a warm interior environment and anti-freeze windows. As the trend of ele...[Details]
Basic concepts of memory mapping The address generated by the ARM processor is called a virtual address. The method of converting this virtual address to another physical address according to a certa...[Details]
According to foreign media reports, given that Ireland has provided Apple with illegal tax benefits for many years, allowing Apple to enjoy a much lower tax burden than other companies, the EU antitr...[Details]
ITECH has been deeply involved in the field of "power electronics" product testing, and provides professional and reliable precision test and measurement instruments and equipment and industry test s...[Details]
Abstract: This paper introduces an application based on digital intelligent instrument in the transformation of power distribution system. The field layer uses intelligent digital display instrument (...[Details]
MicroPython Open Source section
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