[i=s]This post was last edited by Digital Leaf on 2021-5-16 21:18[/i]When I was chatting with nmg before, I mentioned that this board already supports irda infrared communication, but I checked it thr...
[i=s]This post was last edited by Tobey on 2017-5-7 12:56[/i] Conditions: STM32F407 KEIL5.20 RA8875 STemwin532 Phenomenon: Directly using RA8875 to drive screen refresh and line drawing are all normal...
RegisterDirection register PxDIRspecifies the IO port output/input, 0: input 1: output
PxDIR = BIT0;PxDIR = 0x01; //The two forms are equivalent, define Px.0 as output;the output register PxOUTspecifi...
Let me share with you another netizen's experience of interviewing TI. First, interview with the reliability person (FAE's go to the lab first, and I heard they build circuits). Then there is a writte...
I have been doing testing in my current company for a whole year. My work mainly involves product verification and report output. I find it boring and uninteresting. I want to move into the direction ...
Use a metal bottom shell and add MAP soft silicone thermal pads to achieve the heat dissipation effect. In the past, many people used thermal grease as a thermal conductive material: Today's electroni...
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]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[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
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[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]
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]
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]
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]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[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]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]
With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
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