[i=s]This post was last edited by Jacktang on 2019-11-12 20:41[/i]Circuit features: 1. Fully symmetrical complementary Class A amplifier circuit design is adopted;2. The input stage uses Toshiba's aud...
Thanks to the organizers and sponsors of the competition. I received the development board kit today and now I am sending out the unboxing photos of the development board kit....
蓝色天使onsemi and Avnet IoT Innovation Design Competition
Is anyone working on the stm32f4 series? After the USB host interface on the board is plugged into the USB, when debugging the USB HOST program, the device cannot be detected, that is, an interrupt ca...
A button connected to a pin, with the other end of the button grounded. After the button is released, is the zero value written into the register? Is the register value connected to the pin 1 after re...
Development board: Terasic DE1-SoC, main chip: Cyclone V series 5CSEMA5F31C6. Please tell me, after I regenerate the device tree, how can I replace the original device tree file in the SD card?...
Dear seniors, I am a student who has just started to learn single-chip microcomputers. I want to buy a 51 development board. I don’t know which company produces the best 51 development board? I would ...
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]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[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]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[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]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[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]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Analogue and Mixed Signal
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