这个是错误提示root@t-VirtualBox:~/libnfc-1.7.0# nfc-listdebuglibnfc.generallog_level is set to 3
debuglibnfc.generalallow_autoscan is set to true
debuglibnfc.generalallow_intrusive_scan is set to false
debug...
From: https://www.cnx-software.com/2021/11/28/toit-open-source-language-claims-to-be-30x-faster-than-micropython-on-esp32/Toit is a complete IoT platform developed by a team of former Google employees...
I need a camera now. Do you know any mature products? Please let me know. Thanks a lot! 1. Support wifi; 2. Wide angle, can take a picture of a 100cm*1300cm desktop at a height of about 40cm; 3. Can b...
[size=4](1) Developing an adaptive coding system using the auditory masking effect[/size] [size=4]The theoretical basis of AC-3 technology is also based on the auditory threshold and masking effect in...
[align=center][b][font=宋体][size=5]From the LED bulb priced at 2 yuan and 80 cents to the development direction of lighting enterprises[/size][/font][/b] [font=宋体][size=4]Anhui Yunlong Technology Devel...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
The battery and its management system are one of the key technologies of electric vehicles. In the past few years, most companies have encountered embarrassment in the development of electric vehic...[Details]
The cruise control system (CCS) of a vehicle is also called a constant speed driving system. It is an electronic control device that uses advanced electronic technology to automatically adjust the ...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
RF/Wirelessly
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