The global coronavirus crisis is placing unprecedented pressure on the retail industry. Physical retail spaces such as grocery stores and pharmacies require new protocols to ensure the safety of custo...
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...
ALSA Introduction
ALSA Overview
ALSA (Advanced Linux Sound Architecture) is the abbreviation of Advanced Linux Sound Card Architecture. It is the current mainstream audio architecture of ...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
In the mid-1970s, the Hefei General Machinery Research Institute was the first to carry out the application of acoustic emission detection of pressure vessels in China. In the 1980s, the China Specia...[Details]
On July 5, 2021, Wingtech Technology announced that its wholly-owned subsidiary Nexperia intends to acquire Newport Wafer Fab (NWF), the largest chip manufacturer in the UK. It was previously rumored...[Details]
ABS is an essential safety electronic device in today's cars, and its function is increasingly valued by people. The ABS system uses solenoid valves and oil return pumps to finely adjust the wheel cyl...[Details]
In the early morning of November 11, Apple held its third event this fall. Undoubtedly, the protagonist of this event was the self-developed computer chip that Apple announced at the WWDC Developer C...[Details]
Two-dimensional code is a black and white graphic that records data symbol information distributed on a plane (in two-dimensional direction) according to a certain pattern using a certain geometric...[Details]
introduction
Video signals are often encoded, decoded, and processed as single-ended signals, but people often want to convert them to differential signals for transmission over cables. A typical e...[Details]
(1) Radiation interference from space
The radiated electromagnetic field (EMF) in space is mainly generated by transient processes of power grids and electrical equipment, lightning, radio bro...[Details]
The DS1267 is a dual-channel digital potentiometer with a serial "shift register" type interface. The shift register has an input pin for shifting data in, and an output pin for shifting data out of ...[Details]
An ideal UPS should be purely resistive to the grid, that is, the power factor of the UPS should be 1, so that it does not pollute the grid. However, the reality is that most UPSs generally use 50Hz ...[Details]
introduction
In an autonomous walking robot system, the robot must collect environmental information in real time to avoid obstacles and navigate in an unknown and uncertain environment. T...[Details]
On October 14, Neijiang Vice Mayor Bi Sheng led a team to the Chuanwei Lianjie Base to care about the development of the enterprise. Neijiang Municipal Government Deputy Secretary-General Peng Yun,...[Details]
MicroPython Open Source section
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