Today I saw a toothbrush that uses an 8-pin microcontroller, but it has 6 LED lights, 1 button, and 1 motor. After removing the VCC and GND of the microcontroller, there are only 6 available pins left...
The PCB of the central control circuit board was finished today and sent to the manufacturer for board making. Acting according to the plan is a reminder for myself....
Now our school requires writing a program to realize the timer triggering ADC to collect data and send it to the host computer for drawing
I set up a six-byte DMA buffer to store the data collected by...
Recording Box1. Project BackgroundThe purpose of this work is to make a simple recording box to record the coughing sound of patients at night, analyze the coughing sound with a certain algorithm, and...
It's been a long time since I posted. The EE editor has just been changed, and it is indeed more comfortable to read than before. The EE administrator has indeed made a lot of efforts to facilitate th...
Automotive technology is always developing at a speed that people can't imagine. Ensuring the safety of vehicles and passengers as much as possible is an important theme in today's vehicle developm...[Details]
When measuring low-temperature media, the transmitter is limited by two factors: the low-temperature resistance of the material and the electrical insulation of the transmitter. For media above -20 d...[Details]
Distributed photovoltaic power generation refers specifically to a distributed power generation system that uses photovoltaic modules to directly convert solar energy into electrical energy. It is ...[Details]
The interface modules of S7-200 mainly include digital I/O modules, analog I/O modules and communication modules. These modules are introduced below.
1. Digital I/O module
Digital I...[Details]
More than 100 years ago, Karl Ferdinand Braun, a physics professor at the University of Strasbourg, invented the world's first cathode ray tube oscilloscope. Braun never imagined that his crude device...[Details]
In the development process of ARM programs, interrupt handling is very common and very important. The RVCT compiler used by Realview MDK provides the __irq keyword. Functions modified with this keywor...[Details]
1. Introduction CAN bus is a communication protocol developed by the German BOSCH company in the early 1980s to solve the problem of data exchange between numerous control and test instruments ...[Details]
In autonomous driving software, in addition to the perception, planning, machine learning, vehicle control, etc. that we often hear about, there is another part that, although it does not sound as ...[Details]
The touch screen is currently the simplest, most convenient, natural and suitable input device for China's multimedia information query. It has many advantages such as durability, fast response, spac...[Details]
In order to make a speaker, I made a measuring tool by myself by referring to the speaker measurement kit circuit in the forum. I wanted to draw a PCB for proofing, but I was lazy, so I built one di...[Details]
The rapid development of digital forces such as 5G, the Internet of Things, and artificial intelligence technology has continuously upgraded the requirements for high-speed hardware equipment. The ...[Details]
Mixed signal oscilloscopes first appeared in 1993 with two analog channels and 8 or 16 digital channels. In the following years, mainstream MSOs were basically locked at 2 or 4 analog channels plus 1...[Details]
Sina Digital News reported on the morning of November 22 that foreign media Bloomberg reported that Apple is changing its operating system development workflow to prevent problems like iOS 13. The de...[Details]
Last weekend, a Samsung crash bug was revealed in the industry, and the cause was actually a wallpaper. There doesn't seem to be anything special about the wallpaper. It's just a natural lan...[Details]
01
Introduction to control chips
Control chips mainly refer to MCU (Microcontroller Unit), which is a microcontroller, also known as a single-chip microcomputer. It appropriately reduces ...[Details]
MCU
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