I picked up the goods from the Cainiao Post Station yesterday at noon today. Here are the unpacking photos:It was a good board, but when I powered it on, I saw nothing. I thought I had plugged it in t...
Raspberry Pi Target ReporterProject Description:Applicable to the national defense education system of various colleges and universities. In the early days, live ammunition was used in military traini...
Supercapacitor is an electrochemical device, a transitional component between batteries and ordinary capacitors. Its charge and discharge process is highly reversible, and it can be charged and disch...[Details]
The current flow direction demonstrator introduced in this example uses a light-emitting diode to demonstrate the current flow direction and can be used in junior high school physics teaching expe...[Details]
Production of small tube amplifier
It is a good idea to transform a scrapped tube radio into a small tube amplifier. Use the radio audio or CD as the signal source, and the sound of b...[Details]
In analytical articles on power trading and renewable energy consumption, we often read suggestions to “break down inter-provincial barriers”. So, what are inter-provincial barriers, who plays an i...[Details]
An oscilloscope is an essential test device in electronic circuit testing. It can depict a very abstract, invisible periodic signal or the change process of the signal state as a specific image wavef...[Details]
introduction With the popularization of IC card applications, it is possible to use IC cards to achieve "prepaid water fee management". The current electronic water meters can be mainly divid...[Details]
This article describes the method of using a multimeter to detect field effect tubes. Method of using a multimeter to detect field effect tubes . Determination of D pole (drain) and S pole (so...[Details]
On-line detection technology of partial discharge in power cables
Abstract: This paper briefly introduces the online detection technology of partial discharge of power cables. The ...[Details]
This is a simple program written to test timer 0: the goal is to have the first and second LED lights light up in a cycle, and the third light lights up once every one second. The lighting time of th...[Details]
On January 6, 2022, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Pinjia launched
an 11kW DC-DC converter soluti...[Details]
Problems of high-power LED in LED lighting
1. LED color difference problem
There is basically no color difference problem in the application of a single LED, but if many LEDs ...[Details]
introduction
The emergence of configurable PLDs (programmable logic devices) based on SRAM (static random access memory) has created conditions for system designers to dynamically change the l...[Details]
This 8½-digit Model 2002 high-performance digital multimeter not only provides performance specifications typically found only in instruments costing thousands of dollars, but it also has numerous fe...[Details]
According to businessKorea, SK Group has decided to invest more than US$600 million to build a wafer factory in the United States. The U.S. Department of Commerce released information submitted by m...[Details]
Intelligent soft start cabinet is an electrical equipment widely used in the industrial field. It controls the starting current of the motor to achieve soft start and soft stop of the motor, thereb...[Details]
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