#include#includemain() {unsigned char i=0x55; SCON=0x10; TI=1; //Send using mode 0 printf("i=0x%x",i); while(1); } The output should be 0x55, but the output in keil is 0x5500, with two extra 00s. I do...
Long-term recruitment of PCB copy engineers
Requirements: 1. Have more than 1 year of experience in copying boards; 2. Have a technical secondary school degree or above, be familiar with electronic co...
Many netizens communicated with me and mentioned that the puzzle diagram in protel99se in my last blog post was too simple. In response to everyone’s request, I revised the operation diagram.
First op...
There are three places with red lines. Why does the first one need to add a square root? I don't think it should be added. Does the second translation of negative rail refer to negative voltage? Is th...
I have made an image and downloaded it to the target board. Why does the soft keyboard pop up automatically once the focus is on the input box, and it keeps showing input 3? Has anyone encountered thi...
The CPU is PXA270. In my BSP, only the IRQ_SSP flag is defined. I don't see any initialization and enable functions related to IRQ_SSP in the OEMInterruptHandler. If I want to use the IRQ_SSP interrup...
1 Introduction
The multifunctional monitor is a commonly used clinical medical device. It can display the patient's electrocardiogram (ECG), respiration (RESP), blood oxygen saturation (SP...[Details]
Conventional ECG recorders are one of the main means for doctors to diagnose heart diseases, but they can only record short heartbeats. In many cases, it is difficult to record ECG changes during a...[Details]
Controller Area Network (CAN) is a type of fieldbus. It is a serial communication network that effectively supports distributed control or real-time control and is recognized as one of the most pro...[Details]
Engineers who are new to wireless design and wireless product development need to master the basics of
RF measurement
. In many cases, this process is to enable engineers who have been engag...[Details]
The small size and low cost of home appliance control boards mean that high-cost materials will not be used in the circuit to solve the electromagnetic interference problem. The interference of hom...[Details]
In the future, a complete automobile safety system must fully combine gyroscopes, accelerometers, steering wheel and brake pedal position detectors, and tire speed detection systems to accurately ...[Details]
This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages; then discusses the ideal voltage mode using output c...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pres...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communications since the advent of digital communications. Many new wireless commun...[Details]
Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through hig...[Details]
This paper introduces the technology and application of optical transceiver modules and digital non-volatile variable resistors in optical communication networks, and focuses on the design and appl...[Details]
0 Introduction
GaAs photocathode is a negative electron affinity photocathode with the advantages of high quantum efficiency, concentrated energy and angle distribution of emitted electrons. T...[Details]
1. Introduction
Most of the existing heaters use traditional devices such as electric heating tubes and electric heating wires for heating. The outer shell of the electric heating tube is a ...[Details]
Electrochemical Principles of Blood Glucose Measurement
The electro-biochemical principle of blood glucose measurement is that when a certain voltage is applied to the blood after the enzy...[Details]
With the popularity of 3G network, some new laptops have built-in 3G wireless network cards, namely G3 laptops. For most users of relatively old computers, if they have a 3G wireless network card, ...[Details]
Embedded System
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