[i=s]This post was last edited by damiaa on 2019-5-17 11:00[/i] [STM32WB55 Evaluation] +thread trial 1 [font="] [/font][font="][STM32WB55 Evaluation] +After the wireless firmware update is completed. ...
MAYDAY, MAYDAY~ Last night I saw on page 47 of the chip data that P1.4 is multiplexed to TA0.2, so I made a PWM program as shown below, the purpose is to generate a square wave with a period of 800US,...
From PC100 in 1998 to DDR3 today, memory technology has experienced speed improvement and bandwidth expansion along with the CPU front-end bus. Although DDR3 has been mass-produced and used today, DDR...
I am using IAR Embedded Workbench v5.11. Note that it is v5.11. The board is ADuC7026. There is no problem with program compilation and linking, but it always fails when debugging. The prompt is: unab...
Are there any 100M Ethernet controllers with internal RAM, and can ARM or DSP operate on this RAM like its own RAM? I have used RTL8019, but it is 10M. Now I am using DM9000A, which needs to pack the ...
[color=#3d464d]Answer: [/color] [color=#3d464d]To mount a USB disk in Linux QT system, first use the command mknod /dev/sda1 b 8 1 to create a device node for the USB disk, and then use the command mo...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]