1. Introduction:
The official demo uses a blocking method to light up the lamp, which means waiting. During the waiting period, the MCU cannot do other things (except interrupts). This method is not v...
The following code is displayed on the serial debugging assistant:
······(omitted)11-12-17 00:35:5711-12-17 00:35:57 11-12-1700:35:5811-12-17 00:35:5811-12-17 00:35:58······(omitted)The above is the c...
A brief discussion on the development creativity of electronic products and the use of online resources to assist in development : https://training.eeworld.com.cn/course/5344...
I made an active integration circuit using an op amp, as shown in the figure, but the output of the op amp keeps oscillating. I used a switching power supply to provide a positive and negative 5V powe...
The purpose of this application note is to provide hardware integration guidelines for integrating STMicroelectronics' LPS22HB and LPS25HB pressure sensors into the customer's final application....
I would like to ask my friends who are playing with ESP8266 how to modify its date and time when there is no network. Since ESP8266 is automatically calibrated when there is a network, its time is 197...
In order to prevent traffic accidents, when the intelligent detection device of the car detects danger ahead, it must send a warning message to the driver. The voice alarm clearly reminds the drive...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices to achiev...[Details]
Blood pressure is one of the important physiological parameters of the human body. Accurate measurement of it is conducive to early detection and identification of hypertension types, and to the pro...[Details]
Maximize instrument utilization and reduce
test times
Increasing the throughput of automated test systems can improve efficiency. Using off-the-shelf tools (COTS) such as multicore proc...[Details]
Third generation (3G) mobile phones offer a variety of features with more functionality. As consumers enjoy the latest and better features of these communication devices, they continue to demand lo...[Details]
In electronic measurement technology, frequency measurement is one of the most basic measurements. The commonly used frequency measurement method and period measurement method have great limitation...[Details]
introduction
Taking care of babies is very tiring because they wake up and sleep frequently, and activities such as feeding and changing clothes will take up a lot of adults' time and energy. ...[Details]
introduction
The most common flight state of a fixed-wing aircraft is horizontal flight. If it is allowed to fly at a large angle, the action cannot be maintained all the time. If it is al...[Details]
There are many ways to attenuate signals. The most commonly used method is to divide the voltage using resistors. The common circuits are as follows:
Oscilloscope pre-stage attenuation c...[Details]
Global IP Solutions (GIPS), a leading provider of high-quality IP multimedia processing solutions, announced that GIPS has enabled Voice over Internet Protocol (VoIP) capabilities for Apple's iPhon...[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]
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]
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]
Femtocell base stations are required to meet stringent requirements in terms of interference, compatibility testing between mobile devices and networks (such as ad hoc networks, handovers), and mee...[Details]
Security prevention is mainly based on prevention, which means taking precautions in advance for behaviors and events that may cause harm, timely discovering and handling, and collecting evidence a...[Details]