Analysis of previous power supply competition questions
In the 11th National Undergraduate Electronic Design Competition, there are 10 power supply questions:Simple CNC DC Power Supply (1st session, 1...
wrote the simple makefile as above
The execution result was unexpected!
Why can't the command run in the shell, but run normally in the makefile?
Why does it return a '/'?
I would also like to ask all...
We can say that the program memory stores the soul of the microcontroller, which is the working program. The smallest one may be only 1KB (it can only hold 1024 8-bit data at most, because there are m...
I2C bus physical topologyThe I2C bus is very simple in terms of physical connection, and consists of SDA (serial data line) and SCL (serial clock line) and pull-up resistors. The communication princip...
The so-called lithium-ion battery refers to a secondary battery composed of two lithium ion compounds that can be reversibly embedded and de-embedded as positive and negative electrodes. Lithium-io...[Details]
As an information acquisition tool, intelligent measuring instruments are a complex organism that integrates multiple categories and multiple disciplines. With the rapid development of testing technol...[Details]
01 Source of fear Yesterday, Moments posted the following short video, which shows a mobile phone user using a test pen to measure the impact of a mobile phone charger on high-voltage electricity in ...[Details]
Honda recently announced its latest intelligent assisted driving function and promised to improve and enhance the active safety system of its cars, and to safely and completely equip the hardware in ...[Details]
1. Use of ATMEGA16 I port: (only one experiment, each section below may have several experimental verifications, you know) 1--(01)--Use of 4*4 matrix push button switch I/O port introduction: Jus...[Details]
According to foreign media PhoneArena, LG Stylo series smartphones may launch new models. Recently, some netizens exposed several photos of LG's new phone on Twitter. From the appearance, this new ph...[Details]
0 Introduction
The complex dielectric constant is one of the most important parameters for characterizing the electromagnetic properties of dielectric materials. In order to put it into use, the com...[Details]
All devices we have explored so far in the Zynq All Programmable SoC PS (Processor System) have used only one ARM Cortex-A9 processor core (Core 0), however the PS portion of the Zynq SoC contains tw...[Details]
In a world where everything is connected, more and more electronic devices that can understand speech are coming into our sight. In devices such as smartphones, tablets and laptops with Siri or Corta...[Details]
According to the ITU2R BT. 656 TV video coding principle, the effective data of each frame of video image is extracted through hardware decoding and transmitted to the player for display. At the sa...[Details]
The electronic 2 tone doorbell circuit is designed around the popular IC 555. IC 555 is widely used in a variety of timers and can also be used as a basic oscillator circuit. In this particular pro...[Details]
Investors in ride-hailing companies Uber and Lyft don't actually need to worry about Tesla's self-driving taxis. Elon Musk's self-driving strategy is full of wrong assumptions. US media commented t...[Details]
Not long ago, two primary school students in Wenzhou, Zhejiang Province, became popular online because of a video that could be called a "textbook elevator self-rescue". In the video, the two childre...[Details]
As climate change becomes increasingly serious, humans must take strong measures to significantly reduce carbon emissions. Under the new legislative and policy framework, the automotive industry is...[Details]