There is no better way than timed polling + state machine scanning keys. This framework supports short press, short press and release, long press, and long press and release recognition. Of course, wi...
[size=4] Some batteries are often used as backup power sources for electronic products. Although these batteries vary in thickness and size, they all share the same name because they look like buttons...
In the Kicad software PCB interface menu preferences, there are traditional tool boxes and modern tool boxes.
What are the benefits of using a modern toolbox?1. Routing, packaging, and graphics displa...
[align=left][color=rgb(66, 66, 66)][font=PingFangSC-Regular, "][size=18px]In order to reduce crosstalk between lines in PCB design, the line spacing should be large enough. When the line center spacin...
First, go to the pico review page of the EE forum official website https://en.eeworld.com/bbs/elecplay/content/163#F3 , click the link to the get started with microPython tutorial, and the page that p...
On August 14, the State-owned Assets Supervision and Administration Commission of the State Council released a message showing that the annual production capacity of high-purity carbon tetrafluoride ...[Details]
Shenzhen Construction Engineering Transaction Service Center recently released the winning bid announcement for the "Shenzhen Bus Group Taxi Charging Pile Construction Project Design Procurement an...[Details]
1. Separation of lamp and driver
That is,
the LED lamp
and
driver
chip are not on the same
PCB
board. The actual situation is that the PCB board soldering the LED l...[Details]
Anyone who has worked in a shared office knows that everyone has a different preferred temperature, and some people have very different preferences. That's why room temperature debates occur in offic...[Details]
Recently, Joseph Sawicki, executive vice president of Mentor IC EDA, visited China to attend the annual Mentor Forum 2019 Beijing Design Technology Forum. It has been 20 years since Sawicki first cam...[Details]
The turning point of the kinetic energy conversion in the automotive industry is approaching. Under the consensus that "electrification is the first half and intelligence is the second half", intel...[Details]
The stainless steel magnetic flap level gauge works according to the principle of magnetic coupling and buoyancy. It is widely used in the measurement and control of liquid level in the production pr...[Details]
Zhongkun Chemical Co., Ltd. is an emerging fine chemical enterprise located in the beautiful Chinese coastal city of Xiamen Haicang Industrial Zone. It uses natural material turpentine as raw material...[Details]
Every circuit has some noise that affects the performance of analog and digital circuits. Some noise comes from external interference, and some noise is caused by random factors such as thermal effec...[Details]
According to a report from Chinanews.com in Beijing, from January to July this year, Beijing's imports and exports totaled 1,685.39 billion yuan, up 26.9% year-on-year. Among them, exports totaled 34...[Details]
New Japan Radio's latest development has the industry's top level 6nV/√Hz low noise, 1,000pF drive 20MHz CMOS operational amplifier NJU77582 New Japan Radio's latest CMOS operational amplifier NJU...[Details]
Knowledge of lighting installation
1. Characteristics of lamps
Lighting is a decorative material that combines practical and decorative functions. As a lamp, it is the main facility for in...[Details]
1) About single-ended and push-pull
In the final stage of the tube amplifier, there are push-pull working mode and single-ended working mode. Since it is easier to obtain high power by using the p...[Details]
IntroductionAmplifier simulation models are usually implemented using resistors, capacitors, transistors, diodes, independent and dependent signal sources, and other analog components. An alternativ...[Details]
introduction
Software quality is the life of business. Software testing projects have become more complex and difficult than ever before. In 1979, Glenford Myers proposed the concept of "the purpos...[Details]
GD32 MCU
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