Happy holidays to everyone! I wish you all good health and safety. :Sad: I have been so busy until now that I can just take a break. In my last post, I asked everyone how they spent the May Day holida...
[i=s]This post was last edited by Rambo on 2020-3-12 14:02[/i]The mainboard used is DFRobot's latest FireBeetleESP32 mainboard, which is much smaller than the traditional Arduino Uno mainboard. In add...
DMA interrupt: During data transmission, when the DMAxSZ register value decreases to 0, DMA sets DMAIFG. The DMA interrupt and DAC12 module share the interrupt vector. When using the interrupt, the so...
According to the tutorial, build the development environment and serial port routine test.1. Download the software1.1 Development board resources
Download address: RVB26011.2. USB to TTL driverUSB to ...
I want to use CD4051 to switch 10V voltage. My control is 5V, but CD4051 needs 7V for high level when VDD=10V, so I use CD4504B to convert the level. I don't know if there is a better chip than CD4051...
# Lichee RV 86 PANEL Review (3) - Building a cross-compilation chain under WSL single system## Why download cross-compilation tools? The compilation tool chain on the PC is gcc, ld, objcopy, objdump, ...
0 Introduction
Variable optical attenuator (VOA) is an important fiber dynamic device in fiber communication system, mainly used for power balance of channels in dense wavelength division mult...[Details]
The key technology of TD-LTE is composed of some loaded signals. Due to the special way of the signals, how to carry out the same-frequency networking and how to operate it are placed in a very import...[Details]
Intermittent memory failures can be complex to handle. The root cause of these failures can be one or a combination of different causes, including BIOS errors, protocol errors, signal integrity issue...[Details]
Zhejiang Lipu Pulverizing Equipment Co., Ltd., a leader in China's pulverizing technology, has developed a series of high-tech products, including the industry-leading nano-calcium carbonate disper...[Details]
This article will compare bipolar devices with CMOS devices to help users determine where each device is suitable. The article will use high-performance ultrasonic equipment as an example to e...[Details]
1. The internal resistance of the PCB test instrument should be large When measuring the DC voltage of an integrated circuit pin, a multimeter with an internal resistance greater than 20KΩ/V should b...[Details]
Dingyang oscilloscope supports Bode plot function. This function provides the frequency response curve of the device under test (DUT), as well as the interface for output sweep parameter control an...[Details]
April Industry Overview The key data on power battery production, vehicle installations and exports in April 2023 are as follows: Power battery production: 47.0 GWh, a year-on-year increase of...[Details]
DeviceNet is an open fieldbus communication network based on CAN bus technology that complies with global industrial standards. It is used for control, configuration and data acquisition. CAN bus has...[Details]
On June 25, the 2022 China Nansha International Integrated Circuit Industry Forum was held in Nansha, Guangzhou. The summit was hosted by the Management Committee of Guangzhou Nansha Economic and ...[Details]
When doing experiments, power workers often come into contact with the instrument of transformer tester. So how to judge the performance of the transformer and what functions does the transformer hav...[Details]
1. System Configuration
1.1 Software
A PC with Step7 Micro/Win SMART software (including Modbus protocol library) installed. In this example, Step7 Micro-Win SMART V2.0 is used.
1.2 ...[Details]
This is an enhanced version of a simple garage/shed alarm. The entry and exit delays have been increased to about 30 seconds - I have added a timed siren cut out and automatic reset. I have also ...[Details]
C&K, a manufacturer of high-reliability electromechanical switches, has developed a series of illuminated key switches that provide smooth positive tactile feedback and crisp tactile sound, thereby ...[Details]
The working principle is as follows: R1, R2, D1, Q1, D2 and C3 form a bootstrap startup circuit, and the startup voltage Vc is obtained to power IC1, IC2 and IC3 respectively. After the circuit is st...[Details]
Talking
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