As shown in the figure, the test voltage is marked on the figureThe voltage on the left side of 330K becomes lower when it reaches the op amp's non-inverting input, but the voltage at the feedback-reg...
If we want to connect the world, one protocol is not enough?
Connecting buildings, factories and power grids? Multi-protocol and multi-band is the only way
Thread, Zigbee, Bluetooth 5.0 and Sub-1 GHz,...
Can someone help me, I'm using this board MSP430G2553 (should be this one) (Hot Wheels touchpad) to control the volume of the computer media player. I saw a Hot Wheels review posted by a big guy befor...
Last time, when making a screenless version of the multimeter, there was no frequency and duty cycle measurement function when measuring AC signals. This time, ESP32 is used to collect AC signals and ...
In order to achieve the best performance of the power supply system, simulation analysis is usually performed after the power supply design is determined to verify the accuracy and feasibility of the ...
1. DMA Overview DMA is a shorthand for "Direct Memory Access" and means direct memory access in Chinese. It is a data exchange mode that directly accesses data from memory without going through the C...[Details]
Recently, led by the Venture Capital Initial Center of Guizhou Provincial Development and Reform Commission and the Investment Promotion Center of Guiyang Investment Promotion Bureau, a new energy ...[Details]
Laster Technology, the largest LED headlight module R&D and production company in China, held a shareholders meeting. Looking ahead to 2019, Laster Technology said it will continue to expand its LED ...[Details]
On June 17, XDA editor-in-chief Max Weinbach revealed that Galaxy Fold 2 and Galaxy Z Flip 5G will not be released in August. Supply chain expert Ross Young pointed out that Galaxy Fold 2 and...[Details]
Reporters learned from the routine press conference of the Ministry of Transport held on July 31 that as of the end of June this year, 5,931 highway service areas across the country had built charging...[Details]
A compiler is a program that translates a "high-level language" into a "machine language (low-level language)". The main workflow of a modern compiler: source code → preprocessor → compiler → assem...[Details]
Walking in the streets and alleys, have you noticed that the lamp poles that used to only provide lighting have been equipped with several "small iron boxes", high-definition LED screens, and high-de...[Details]
Correct selection of electromagnetic flowmeter is a prerequisite for ensuring good use of electromagnetic flowmeter. The type of electromagnetic flowmeter to be selected should be determined according...[Details]
Do you know the difference between analog oscilloscope and digital oscilloscope? In the final analysis, oscilloscope and digital oscilloscope are nothing more than instruments used for measurement....[Details]
Light source market in 2011: After several twists and turns, the price of light sources has seen a drop of about 30% so far. The market capacity is expanding, but more than 60% of packaging companies ...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
The BOD circuit of AVR generates a reset signal when the voltage is too low (lower than the set value) to prevent the CPU from accidentally operating. The protection function for EEPROM is to keep ...[Details]
Multiple media outlets reported that a report released by Strategy Analytics showed that in February 2020, Xiaomi's global shipments exceeded Huawei, ranking third after Samsung and Apple. ...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
Introduction
Video surveillance systems have been developed for just over 20 years, from the earliest analog surveillance to the popular digital surveillance in the past few years, and the...[Details]
Analog electronics
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