In the environment of WinCE5.0/ARM9 (i.MX27 or other ARM9 cpu), generally speaking, if there are two SD card slots on the board, are the card detection interrupts of these two SD card slots the same (...
[align=left][size=4]To be honest, the recent top-level competitions, millionaires, cheese superman and other prize-winning guessing activities are really popular! People like Guan Guan who are busy wi...
The LIS2D MEMS digital output motion sensor is a 3-axis MEMS digital output accelerometer sensor. These devices have ultra-low power consumption with embedded functions and have the same pinout, belon...
ADC12_A realizes 12 channels of individually configurable analog-to-digital conversion, with a resolution of 12 bits and a conversion rate of up to 200KSPS.
The conversion clock source can be select...
I am designing a circuit recently. When the microcontroller is reset, the DA output will lose power, but the time is very short. I want to design a circuit that can protect it from powering down durin...
[Flex10K, his launch has shown that Altera's thinking is very clear, large-scale FPGA will be the king of the future! Moreover, high-speed embedded block RAM is a pioneering idea. At that time, Xilinx...
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[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]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[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]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[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]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]
1 Overview
As a driving power source, the new battery has a range of more than 200 km within the acceptable weight range of the mass market, which provides an important way for power batteries...[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]
The Challenge:
Providing a flexible, powerful robotics design platform
to more than 40,000 high school students participating in the FIRST
Robotics
Competition (FRC).
The So...[Details]