First of all, I would like to thank Qinheng Electronics and EEWORLD for providing this review opportunity!1. UnboxingThe picture below is the CH549EVT-L development board evaluated in this review, whi...
Intel SoC FPGA Development and Application Training Course by Xiaomei : https://training.eeworld.com.cn/course/5037What is SoC FPGA, what are its advantages, and how to use SoC FPGA for development? I...
[i=s]This post was last edited by a student of the School of Media Studies on 2019-5-19 18:29[/i] [align=center][md]#[GD32E231 DIY Contest] 04. The difficult assembly process of the robotic arm#[/md][...
The C2000 Gang Programmer is a C2000 device programmer that can program up to eight identical C2000 devices simultaneously. The C2000 Gang Programmer connects to a host PC using a standard RS-232 or U...
[size=4]An FIR filter (Figure 1) stores a series of n data elements, each delayed by one additional cycle. Typically, these data elements are called branches. Each branch is multiplied by a coefficien...
Dear experts, I use TVP5150AM1+DM642 DSP to collect video images from analog cameras. Two cameras are in parallel and collected by VP0 and VP1 of DM642 DSP respectively. One camera has obvious water r...
According to THE ELEC, South Korea's three major telecom operators, SK Telecom, KT and LG Uplus, are investing slower than previously planned in 5G network construction. The report pointed out that K...[Details]
At present, the regulations do not make clear quantitative provisions for the capacity of megohmmeters. According to various literature materials, the definition method of megohmmeter capacity inde...[Details]
Chapter 2 Creating a Root File System 2.1 Preliminary knowledge of the root file system In embedded Linux, a root file system needs to be built. The rules for building a root file system are in the ...[Details]
It is currently the peak season for air conditioner sales, but a letter of complaint from Gree Electric Appliances (000651.SZ) has dropped a bomb on the air conditioner industry. Recently, Gree El...[Details]
Ground resistance tester, English abbreviation: Ground Resistance Tester . The ground resistance tester is a commonly used instrument for testing and measuring ground resistance. It is also an indis...[Details]
In fact, it is very easy to make the buzzer on the TQ210 board sound, because the buzzer provided by Tianjian to TQ210 is an active buzzer. As long as the buzzer is powered, the buzzer will emit a so...[Details]
This is a simple low power amplifier. You can do it in 5 ways, as indicated in the diagram (from 20W to 80W RMS).
Notes: - The first thing you have to do is to test the gain factor hfe or β o...[Details]
Photoelectric encoder can convert a mechanical geometric displacement into an electronic signal (electronic pulse signal or data string) through the photoelectric principle. It is a digital detection ...[Details]
Apple is making things happen again, this time it is about the latest news about iPad, let's take a look. First of all, according to the latest news in the industry, in order to attract more users to...[Details]
Jiwei.com News: "In order to reduce the size of the front camera module, we predict that the iPhone will adopt an integrated lens design as early as 2H22. Largan, which will officially supply VCM for...[Details]
About 50Ω and 1MΩ Termination There are two levels of shorting resistors inside the oscilloscope, 1M and 50Ω. No matter which one, it is a resistor to GND. The following is a schematic diagram of the...[Details]
According to foreign media appleinsider, Apple pushed a new firmware for the new Siri Remote on Tuesday, with the version number upgraded from 9M6336 to 9M6772. This remote control is suitable ...[Details]
Push button switch
The actual photo and symbol of the push button switch are shown in Figure 1:
Figure 1-1 Schematic diagram of push button switch (a) Actual diagram (b)
Ele...[Details]
Common button batteries are classified into the following types according to their chemical composition: carbon, alkaline, zinc-silver oxide, zinc-air, lithium-manganese dioxide, nickel-cadmium rec...[Details]
Preface: In the past
,
LEDs
could only be used as status indicators, and heat dissipation
of LED packages
was never a problem. However, in recent years,
the brightness
and
pow...[Details]
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