I want to ask if anyone has seen related USB device management products for Linux or Max OS. For example, it can control and monitor USB and peripheral device ports, set a whitelist for USB, or block ...
Batteries can be divided into two categories: chemical batteries and physical batteries. Among chemical batteries, there are primary batteries (primary batteries), rechargeable and dischargeable secon...
[i=s]This post was last edited by Jacktang on 2019-11-7 21:46[/i]What are the different Bluetooth architecture implementations? We generally refer to the entire Bluetooth implementation as the Bluetoo...
I just saw a post about Renjianbucha, which was posted by an old forum friend RF Haishijun. Asking about the year-end of 2019, naturally few people answered this sad question. Most people answered tha...
Multitasking is a feature of modern embedded systems, from small-capacity 8-bit microcontrollers to 32-bit ARM and even more complex controllers, all support multitasking. Microcontrollers with few re...
A phase-locked loop (PLL) is an automatic phase control circuit that eliminates frequency errors and can complete an automatic control closed-loop system that synchronizes the phases of two electrica...[Details]
"The 5G equipment terminal network has a downlink rate of 500 megabits per second and an uplink rate of 120 megabits per second." On December 30, 2019, the commissioning personnel of the Intelligen...[Details]
Next, I will talk about my "unique" method of designing PSR primary-side feedback switching power supplies based on actual practice - based on actual practice.
Requirements:
Full voltage input...[Details]
For Apple, there are too many new products this year, coupled with unexpected factors such as the epidemic, it will be very difficult to supply the iPhone 12. According to foreign media reports, the ...[Details]
1. Reciprocating motion of the trolley
Use S7-200 to realize the automatic control of the trolley's reciprocating movement. The control process is to press the start button, and the trolley mo...[Details]
Today, iQOO officially announced that 120W ultra-fast flash charging will soon be mass-produced, and the new flagship will be the first to launch 120W ultra-fast flash charging in August. According t...[Details]
The new Intel Core 14th generation and 1 series processors make their debut: the 14th generation core, frequency, and energy efficiency have all increased, and the 1 series has a new appearance Th...[Details]
1. Preparation: 1. Download the compilation tool keil c51 2. Download the board support package (BSP) provided by N76E003, which can be downloaded from nuvoton 2. Development Environment Construct...[Details]
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Note: Port P1 is connected to the LED to display the traffic light, and port P0 is connected to the digital tube segment code to display the time; ...[Details]
1. What is the buzzer function used for? A: The buzzer function is an additional function, usually in the 2kω range. Generally, when measuring a circuit (or resistor) with a resistance value below 50...[Details]
MC9S08LL series is Freescale's latest microcontroller with built-in LCD driver and extremely low power consumption. It is very suitable for design and application in water meter and gas meter. This ar...[Details]
Current transformers measure current or transfer energy from one circuit to another, so their design requires different calculations than the corresponding voltage transformers . The reason for this...[Details]
Lithium-ion capacitor is a new type of energy storage device between supercapacitors and lithium-ion batteries . It has the advantages of high energy density, high power density, fast charging and di...[Details]
The basic principle of PWM technology
With the development of electronic technology, a variety of PWM technologies have emerged, including: phase voltage control PWM, pulse width PWM metho...[Details]
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