I saw a constant voltage and constant current power supply design from TI, but I didn't understand the principle. Can anyone explain the role of LMV431A in this area?...
I bought a LAUNCHXL-CC1312R1 Rev: A development board online. The main chip is: XCC1312R1F3, and the development environment is: CCS920+simplelink_cc13x2_26x2_sdk_3_30_00_03. The current problem is:
1...
Low pass filterhttp://www.71168.cn2006-6-16 8:20:01Keywords:filterA low-pass filter is a circuit in a car amplifier that allows low-frequency signals to pass but not mid- and high-frequency signals. I...
Regarding the selection of signal input mode of power amplifier. In professional audio engineering, we often encounter problems such as signal parallel connection and bridging. First of all, we must c...
I remember that I first came into contact with microcontrollers in 2002. At that time, the only microcontrollers I knew and used were AT98C8051 and AT98C8052. I had only heard of the 51-type microcont...
[i=s]This post was last edited by bobde163 on 2020-11-20 12:10[/i]Today I need to use Fluke F17B+ multimeter to measure uA current, which is different from the measurement of another Uni-T UT890C+. Th...
The display of liquid crystal is due to the electric field applied to the display pixel. This electric field is the synthesis of the potential signals on the two electrodes before and after the displ...[Details]
(CWW) During the 2023 Global Mobile Broadband Forum (Global MBB Forum 2023), Cao Ming, President of Huawei's wireless network product line, released the world's first full range of 5.5G product solut...[Details]
1. Overview The traditional thermostat controls the route of the coolant circulation, resulting in large throttling losses, unreliable operation, low working efficiency, and cannot accurately adjust ...[Details]
I'm studying ARM Cortex-M3 recently, and I found a book called "An Definitive Guide to The ARM Cortex-M3" which is considered a classic. This series of study notes is actually the reading notes I made...[Details]
IEEE 754 Standard The floating point format can be divided into three parts: the sign bit s, the exponent bit e and the mantissa bit f. The real exponent E has an offset relative to the actual exp...[Details]
Design requirements that a perfect PLC program must meet
A complete PLC program is not as simple as just making the system run. It also requires complete annotations, sophisticated architectur...[Details]
Simply put, AC-AC inverters require too many components and are difficult to control, while AC-DC inverters use fewer components and are easier to control, so most inverters currently use AC-DC-AC ...[Details]
This morning, the first developer preview version of Android 12 (Developer Preview 1) was officially pushed and available for download. Pixel 3 and newer devices can already try it out. Accor...[Details]
Dot-matrix flat-panel graphic LCDs are widely used in various portable products. For different manufacturers' products and different application purposes, there are many varieties of core LCD displ...[Details]
Floating connectors are used in the process of automatic assembly to solve the substrate alignment error. They are most commonly used in equipment that densely combines multiple substrates.
C...[Details]
While breakthrough technologies often grab the headlines, components
like coin cell battery holders
are often overlooked, despite their important role in supporting the work of the much-...[Details]
The general idea of the program is as follows: two timers are configured in encoder mode, which are used to count the encoder pulses of the two wheels of the car. The overflow of the counter up or ...[Details]
After learning the theoretical knowledge of ARM and debugging some experiments on the SmartARM2200 development board, I am finally going to enter the practical stage. When designing a product o...[Details]
Freescale's advanced low-power and mixed-signal technologies have resulted in more flexible microcontrollers (MCUs) with many key peripherals for pregnancy monitoring applications, including gestat...[Details]
Power technology
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