I wonder if anyone has done ARM-LINUX -(ANDROID) training, or similar training on low-level hardware kernel drivers, upper computer software, etc. I have learned a little about this aspect these days,...
Is there any tool like Quantify (Purify included) in Windows Mobile to test the performance of WM programs? For example, CPU usage, memory usage, device IO status, etc. Because I currently need such a...
I see that there are DSP2833x_SWPrioritizedIsrLevels.h, DSP2833x_SWPrioritizedDefaultIsr.c, DSP2833x_SWPrioritizedPieVect.c, DSP2833x_DefaultIsr.h, DSP2833x_DefaultIsr.c and DSP2833x_PieVect.c files i...
Microchip Technology Inc. recently launched the TC1303/TC1304 and TC1313 series of power management integrated circuits, integrating a synchronous step-down switching regulator, a low-dropout regulato...
Follow the accountant's advice: In order to open source our CPLD, we need to find a friend to make the jtag burning cable for a3p060. The burning cable made by wangkj himself is not usable, and if you...
The temperature sensor is DS18B20 , the humidity sensor is DHT11 , the wireless transceiver module is UTC1212 , the power module is a chip LM1117, which is based on 51 single-chip microcomputer, and t...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[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. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]