BLDC Motor Control AlgorithmBrushless motors are self-commutated (self-direction converting) and therefore more complex to control.BLDC motor control requires knowledge of the rotor position and the m...
Program function: Initialize the basic parameters of the layout, import the netlist, suitable for the beginning of a new project design. This program is free, welcome to download and use it from the Y...
1. Clearly understand the wiring relationship. Only 4 wires need to be connected. VCC needs to be 5V. 3.3 I have tested and it does not work. The clock and data lines need to use bidir bidirectional l...
HPM6750 has 4 I2Cs, and the HPM6750EVKMINI pin headers lead out 2 I2Cs. There are pull-up resistors on the module side, so I2C0 on the board is used. Unfortunately, the maximum I2C speed of HPM6750 on...
I want to use an optocoupler to isolate the input signal. When VInput is high, the optocoupler is cut off and Voutput outputs high. When VInput is low, the optocoupler is turned on and Voutput outputs...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[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]
Since the early 1950s, when ultrasound detection began to be used in the medical field, ultrasound diagnostic technology has made great progress. Ultrasonic diagnostic instruments are of various fo...[Details]
Digital frequency meter is an indispensable measuring instrument in the fields of scientific research and production such as computers, communication equipment, audio and video. The digital frequen...[Details]
As the electromagnetic environment in space becomes increasingly complex, the shielded cables used to transmit weak signals in the test system are easily affected by external electromagnetic distur...[Details]
illustrate]
This method has
the characteristics of small
ROM
occupation
and fast operation speed, with a range of
2000
ßà
2099
,
a total of
...[Details]
The quality of thyristors can be judged from four aspects. The first is that all three PN junctions should be intact; the second is that they can be blocked and not conduct when the voltage between...[Details]