For NAND FLASH, such as SD card, data is read and written in sectors, but erased in blocks/clusters. Why? Also, there is no concept of cluster/block before the data area, but the FAT table and DBR in ...
Now I want to ODM a home anti-theft device. I want to be lazy when designing the circuit. Does anyone have a module similar to a mobile phone that can be used to send alarm calls (GSM)? The production...
What I want to say is that I have more than 30 moving points, including ordinary points and high-speed points. If the ordinary ones are controlled individually, they are controlled. If the high-speed ...
I bought a lot of things during the Double 11 and Double 12 shopping festivals. I am so tired of unpacking things that I don’t feel the joy and surprise I once had. The only thing I bought was this CC...
[i=s]This post was last edited by tianshuihu on 2015-1-5 18:37[/i] TI's MSP-EXP430FR5969 LaunchPad development board is so powerful. Let's start with simple IO operations. IAR provides standard librar...
The schematic PCB of EEW_DSO2.0 has been designed and is ready to be sent out for PCB production, which will take about 1 to 2 weeks. Of course, the most gratifying thing is that we found a third deve...
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
1 Introduction
Intelligent cars are the embodiment of the cross-integration of multiple disciplines such as automotive electronics, artificial intelligence, pattern recognition, automatic con...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
AD7708 is a multi-channel 16-bit Σ-Δ analog-to-digital converter ADC. It supports 4 or 5 channels of true differential input and 8 or 10 channels of pseudo differential input. This chip allows two ...[Details]
Embedded System
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