When I reviewed the B-U585I-IOT02A before , I played with the new VL53L5CX multi-zone time-of-flight sensor on the board. It felt quite fun, but I didn't have the chance to experience it in depth afte...
littleshrimpST Sensors & Low Power Wireless Technology Forum
A few questions. 1: I received the switch information of two sensors from the other end through the serial port, which are DOOROPEN & DOORCLOSE, DOORFREE & DOORBLOCK. The problem is that these informa...
I wrote a program that does not use an operating system. After the image information is stored in the buffer, it can only display a general image. I don't know why? My screen is 320*240 U8 ScreenBitma...
Since some infrared devices purchased by the company only support original infrared, I would like to ask whether the PPC mobile phones of Duopuda Company still support original infrared communication....
The circuit is shown in the figure. The mains power is stepped down by C5, R7, R8, rectified by VD7~VDl0 and stabilized by VD11 to provide the circuit with working voltage. When the electric iron is p...
WildFire FreeRTOS Kernel Implementation and Application Development Practical Guide : https://training.eeworld.com.cn/course/5356The first part is: Teach you to write FreeRTOS kernel from 0 to 1. This...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
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