In this post https://en.eeworld.com/bbs/thread-1212378-1-1.html , the overall refresh frame rate is limited to about 20fps due to the SD card reading speed limit. After updating the 0.13 sdk version r...
How to learn hardware circuits well? What good and classic books can the experts recommend?
How to learn hardware circuits well? What good and classic books can the experts recommend?
How to learn har...
Author: ST Engineer
Click to download the pdf document:Problem: Huawei smartphones cannot search for BLE devices based on BluencG-132.
1. Confirmation failure phenomenon is as follows:1) Test Item 1
C...
I am using a TM4C129 development board. When debugging CAN communication, it works in LOOPBACK mode. Another board connected with a CAN chip can also receive signals. However, it does not work in BASI...
The connection between the computer and the outside world is through external devices (also called peripherals, input/output devices or I/O devices). The computer and the peripherals are not directly ...[Details]
When measuring the inverter efficiency, the first thing to note is that it is necessary to consider the problem from a comprehensive perspective, rather than just starting from testing the maximum eff...[Details]
According to foreign media reports, Tesla has reached a procurement agreement with LG, and the future domestic version of Model 3 will use NCM811 batteries produced by LG Chem in Nanjing Xingang Deve...[Details]
White LEDs are widely used in small liquid crystal display (LCD) panels and keyboard backlight and indicator applications. High-brightness LEDs are used as flash sources in mobile phones and digita...[Details]
China Energy Storage Network
: The current situation of electricity production and consumption in China does need revolutionary changes. The energy Internet will bring about a revolution in m...[Details]
1 Introduction
The reliable operation and excellent performance of electronic equipment used in cars are related to the life safety of drivers. Before leaving the factory, automotive electronic e...[Details]
Balanced flowmeters are suitable for almost all fluid measurements and are a revolution in fluid measurement technology. Currently, balanced flowmeters have been widely used in petroleum, chemical, m...[Details]
1. SWI software interrupt principle. In privileged mode, processor mode switching can be switched through software control, that is, modifying the mode bit of CPSR. However, in user mode, there is ...[Details]
As people pay more and more attention to health and the environment, temperature sensing becomes increasingly important. Temperature sensing functions are added to many devices, such as medical therm...[Details]
(1) If the gain crossover frequency ωc is high enough, the bandwidth is wide and the system response speed is fast. However, if the bandwidth is too wide, it is susceptible to high-frequency noise...[Details]
Comparator + amplifier connected to SN8P2743 Preliminary test
Based on yesterday's test of 2743 comparator, considering the practical application, it was decided to test it according to the standar...[Details]
When ultrasonic waves propagate in the material being tested, the acoustic properties of the material and changes in its internal structure have a certain impact on the propagation of ultrasonic wave...[Details]
For 11.0592M crystal bot=256-(11059200/9600/32) The baud rate here is 9600 11.0592M crystal oscillator can support basic baud rate For 12M crystal oscillator, it is different bot=256-(1200...[Details]
Active filters are widely used in digital signal processing, communication, and automatic control, but it is difficult to design variable broadband active filters. Using a single-chip microcomputer...[Details]
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