I got a STM32L151C8T6 board, powered by a 3.3V button battery. But the battery died. I used STLINK to power it, and it should be 3.3V, but when I measured it with a multimeter, it was 4.77V, and somet...
The output voltage rises, the cathode voltage of TL431 drops, the P tube is turned on, and the output voltage drops.
But doesn't the transistor go directly to the ground when it is turned on? Is there...
[i=s]This post was last edited by jinglixixi on 2021-9-13 17:09[/i]AB32VG1 is equipped with 6 PWM output channels. If PWM is used to control RGB_LED, a breathing light effect can be produced. The pin ...
What is measurement?
Measurement refers to the process of using experimental methods to compare the measured quantity (unknown quantity) with a known standard quantity to obtai...[Details]
1 The input and output pins of STM32 have the following 8 possible configurations: (4 inputs + 2 outputs + 2 multiplexed outputs)
① Floating input_IN_FLOATING
② With pull-up input_IPU
③ With pu...[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]
Electronic and electrical products generally need to undergo electromagnetic compatibility testing before entering the market, mainly to prevent electronic products from being affected by electromagn...[Details]
The automotive industry is undergoing a major transformation to meet consumer demand to replace car keys with smartphones. With the popularity of "phone as key" technology, you no longer need a tradi...[Details]
1. Write a subroutine Mpy_16 to implement double-byte unsigned number multiplication. Define variables by yourself, where: ACCALO; store the lower 8 bits of the multiplier ACCAHI; store the high 8 ...[Details]
SMIC is the largest and most advanced foundry in China, with an annual revenue of more than 27 billion yuan, while TSMC is the largest and most advanced foundry in the world, with an annual revenue o...[Details]
PMS-80 is the product of more than ten years of research and manufacturing experience of Yuanfang Company in monochromator spectrometers combined with modern technology. This new spectrometer has g...[Details]
According to Taiwan's Economic Daily News, today Taiwan's Ministry of Economic Affairs announced an overview of listed manufacturing companies last year. TSMC won the championship in the three major ...[Details]
Shanghai, China, September 23, 2021 - ViewSonic announced the launch of a 1080p full HD smart LED projector NH8. The new NH8 projector has automatic focus in seconds and advanced horizontal and verti...[Details]
IT Home reported on February 27 that on February 13, Lei Jun officially released the Xiaomi Mi 10 and Mi 10 Pro phones to the public. The Xiaomi Mi 10 series phones are equipped with the late...[Details]
A Finnish company has recently developed a new type of solar panel that can absorb solar energy efficiently using three layers of nano coating. According to a press release recently released by Sav...[Details]
When it comes to autonomous driving, the companies that come to mind include Waymo, Baidu, Uber, Tesla, Cruise, etc. However, another "invisible giant" that does not often make headlines is also no...[Details]
01
Information security requirements
This chapter mainly introduces the information security requirements from four aspects: hardware security, system security, communication security, an...[Details]