I use the 4+3-bit DIP switch to let the user set two data at will, and the program reads the two data and then processes them accordingly. I group the 0~3 bits of the PC port and the 4~6 bits as a gro...
[align=left][backcolor=rgb(238, 238, 238)][font=Verdana, Helvetica, Arial, sans-serif][size=12px]I just learned arm and want to make an arm-STM32 board myself. I have referred to many other masters' V...
Due to time constraints, I only did a simple trial, so I'll summarize it before the end of the event. Often, the MCU required for some simple functions is not that powerful, as long as it is small, si...
There is a small black dot in the middle of the front, which seems to be a camera or some other sensor. After opening it, the sensor is the 3-pin thing in the middle. JD R433A is written on the iron c...
Figure 1 As shown in Figure 1, the output stage of the class-D amplifier adopts push-pull output. In order to reduce the high-frequency oscillation impact caused by the reverse recovery process of the...
The previous post introduced adding hardware support to the TouchGFX interface to achieve a basic usable object. This post introduces how to connect the development board to Alibaba Cloud through the ...
In today's society, heart disease has seriously affected people's life safety. Many patients with sudden heart attacks are threatened because they cannot get timely treatment. Traditional ECG monito...[Details]
Currently, it is impossible to dynamically obtain patient information in medical monitoring. Once the patient's condition worsens, emergency treatment cannot be implemented in the first place, and the...[Details]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[Details]
Abstract: CC2420 is a 2.4GHz RF chip introduced by Chipcon that complies with the IEEE 802.15.4 specification. It is used to develop ZigBee devices and products for PAN networks such as industrial ...[Details]
High-speed serial communication networks are transmitting data and video information at unprecedented speeds. As transmission speeds increase, the evaluation of networks and their components become...[Details]
Prisons are an important part of the national judicial organs, shouldering the important mission of enforcing laws and disciplines and educating and reforming. The safety of prisons is related to t...[Details]
Abstract: This paper describes a design scheme of a tire pressure monitoring system for automobiles that uses a high-performance 8-bit microcontroller MC68HC908RF2 combined with sensors and RF tra...[Details]
0 Introduction
High-frequency switching power supplies have been widely used in the communication and low-voltage industries, and have gradually been used in power systems, due to their ad...[Details]
1 Introduction
With the continuous development and improvement of digital technology, digital image processing technology has been widely used in industry, military, biomedicine, telecom...[Details]
S3C44B0X is a cost-effective microprocessor launched by Samsung for embedded systems. It is a 16/32-bit RISC processor based on the ARM7TDMI core and has a main frequency of 66MHz. In order to redu...[Details]
1 Introduction
Combination weigher is also called selection combination weighing instrument. It is composed of multiple independent weighing units with feeding and discharging structures. ...[Details]
1 H4006 chip introduction
The operating frequency range of H4006 is 10~15MHz, and 13.56MHz is usually selected for identity recognition. There is a 64-bit programmable memory on the ch...[Details]
Although the live broadcast satellite has only been launched for more than 8 months, the market growth rate and the momentum of development have greatly exceeded the expectations of industry inside...[Details]
0 Introduction
With the rapid development of digital technology, more and more circuit systems integrate A/D converters as a submodule into the system. For example, in portable data transm...[Details]