[size=4] Digital-to-analog conversion is a function that we use very frequently in embedded systems. Most MCUs on the market have integrated ADCs, and the precision of built-in ADCs has also changed f...
First, here is the picture. This is a photodiode amplifier circuit, which consists of two stages of amplifier circuits. The front stage amplifier circuit is an I/V conversion, which is relatively easy...
Hello Expert,I used USB-UART and ETHERNET on my PCB, but found that their reference design circuits were somewhat different, especially the chassis ground part.
Figure 1 is the GND design of USB-UART ...
Q: What is the LoRaWAN data rate?
A: For LoRa, the LoRaWAN data rate ranges from 0.3kbps to 11kbps, and the GFSK data rate in Europe is 50kbps. In North America, the minimum data rate is 0.9kbps due t...
The nrf24l01 wireless module is a new type of single-chip RF transceiver module. Its core chip nrf24l01 is a wireless transceiver chip launched by Nordic. The wireless module developed by this chip ha...
When we plan to upgrade a 16-bit microcontroller (MCU) to a 32-bit one, we usually have to consider many design issues. This article uses the automotive engine control unit (ECU) as an example to b...[Details]
Two files, ncurses and minicom, need to be downloaded and installed:
root@zhaoxc-VBox:/opt/arm-tools/ncurses-6.0# ./configure --host=arm-none-linux-gnueabi --prefix=/opt/arm- tools/ncurses-6.0/ins...[Details]
Regarding the method of using a multimeter to accurately measure the quality of capacitors, use the resistor gear when measuring, adjust the resistor gear to the maximum position, and observe the sta...[Details]
At present, in the application fields such as industrial control, the communication interface of most devices conforms to the RS-232 communication standard. The data transmission radius of the RS-2...[Details]
0 Introduction
With the development of modern science and technology and economy, technical issues closely related to particles are widely involved in industries such as building materials, me...[Details]
Introduction
Video image acquisition and processing systems are widely used in industrial control, industrial detection, medicine, machine vision and other fields, and video communication is an...[Details]
Abstract: AD73360 is a programmable three-phase electrical quantity test IC device suitable for industrial electric meters and multi-channel input systems. This paper introduces the design and appl...[Details]
The serious light decay problem of LED street lamps needs to be solved from the fundamental point of LED heat dissipation technology. At present, the growth rate of LED street lamps in China i...[Details]
I. Introduction Modern CNC machining first uses CAD/CAM software to draw the machining sketch of the parts, then makes appropriate attribute settings according to the sketch, generates G code, and th...[Details]
On November 26, NavInfo released an announcement stating that recently, the tire pressure monitoring sensor chip independently designed by Hefei JieFa Technology Co., Ltd. (hereinafter referred to as...[Details]
OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
There are various forms of interference on the public power grid. Except for power outages, which can be clearly detected, most interference is not easy to detect. However, it is this kind of interfe...[Details]
Application areas: remote structural monitoring, distributed data acquisition, digital bridges
Challenges: A large-span bridge is a distributed, nonlinear, strongly coupled, multivariable and time-...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]