Many of us were drawn to the world of electronics by the buttons, lights, and other fancy controls that made them so attractive. Fast forward a few years, and that attraction is still there, replaced ...
Realize three-way signal input connection;Input signal frequency 0.1～100Hz;Input signal amplitude 1mV～10V;Input signal amplitude 0°～180°;Realize input signal noise reduction processing;Realize 0～20V s...
The system is powered by an external DC5V power supply and a 3.7V lithium battery. When the DC5V is plugged in, the lithium battery does not supply power, but needs to be charged; when the DC5V is unp...
The last evaluation achieved a rough test of the performance of the external SPIM QSPI Flash. This evaluation will divide the external flash into two parts:0x08400000-0x0840FFFF is used as the data ar...
I would like to ask the forum owner, when I use SPI communication, I use the DMA+DMA interrupt+CRC check method to send and receive 8-bit data. I would like to know how the final CRC is transmitted an...
[i=s]This post was last edited by DavidZH on 2016-12-10 20:52[/i] [size=5]Unboxing experience:[/size] [align=left]The long-awaited [font=Times New Roman, serif]STM32F7Discovery[/font] finally arrived ...
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
PCB Design
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