[i=s]This post was last edited by shenlan1986 on 2016-11-4 21:47[/i] The Raspberry Pi has been installed. The normal boot is only the first step of a long journey. In order to improve the user experie...
In response to media reports that more than 90 researchers from the Institute of Nuclear Energy Safety Technology of the Chinese Academy of Sciences (hereinafter referred to as the "Nuclear Safety Ins...
[i=s]This post was last edited by ljj3166 on 2017-7-5 11:26[/i] Using the external network to access the Thread network is a very important part of the original poster's idea. The terminals of the Thr...
74 Series IP Packaging Experiment Guide Based on FPGA Vivado 2017.2 1. Experimental Purpose Master two ways to package IP: GUI and Tcl 2. Experimental Content This experimental guide takes 74LS00 IP p...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:04 [/i] 09 National Competition E Question Discussion Group 9742194 Charger [[i] This post was last edited by bailong39 on 2009-9-2 11:53 [/...
As shown in the figure below, the distance between the left PCB and the right PCB is about 10cm. What method should be used to connect them? I thought about using the SMA interface and connecting them...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]