The previous design missed the MCU power supply. To save energy, MSP430 is used with a power supply voltage of 2.6V. In addition, a 3.3V voltage output is required. Change the design as follows: 1. Se...
The TV restarts after I open QQ video. Also, the CPU temperature is very unstable, sometimes it can reach 80 or 90 degrees, sometimes 60 or 70 degrees. What is the reason? Urgent! ! !...
What is the difference between microbit, pybroad and micropython? ? ? The introduction says that it can be programmed with JS and python. It uses the stm32 chip. Is there a firmware for esp8266? The m...
SAM4L: Functional Overview : https://training.eeworld.com.cn/course/34SAM4L? can provide a wide range of peripheral peripherals; from user interface peripherals, such as capacitive touch screens and d...
[table=98%] [tr][td]I saw a domestic oscilloscope on Youku, Dingyang, which measures the refresh rate of oscilloscopes. It's pretty good. Is there any expert who has bought it? The performance is good...
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]
Today's portable medical devices allow patients to diagnose and treat themselves, move around freely, and even use the devices when they are out and about. To achieve the "easy to carry" feature, po...[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]
1. Introduction
At present, with the continuous development of modern medical devices, especially electronic instruments directly connected to the human body, in addition to the increasingly high...[Details]
Magnetic resonance imaging (MRI) systems for medical and scientific applications require a high-performance, high-power inductor capable of establishing a uniform, strong magnetic field. Transverse el...[Details]
Pulse oximeters, non-invasive instruments used to monitor a patient's blood oxygen saturation, are benefiting from moving away from expensive discrete component solutions toward more integrated design...[Details]
This article introduces a miniature home electrocardiograph. The instrument has powerful functions: display monitoring, storage, playback, printing, record management, power alarm, telephone or Intern...[Details]
Introduction: Design of automated test systems
Challenges
To ensure the quality and reliability of products delivered to customers, test managers and engineers use automated test system...[Details]
In the development of high-stability lasers, real-time monitoring of the working state of the laser is an issue that needs to be focused on. This system realizes the high-stability laser temperatur...[Details]
In the field of software development, the most critical but also the most unpredictable phase is the debugging phase. There are many factors that play a role in the process of software debugging, a...[Details]
Adding "intelligence" to measurement systems is becoming more common as 8-bit microcontrollers are inexpensive, widely available, and can be programmed using today's common high-level languages, su...[Details]
Broadband services supporting triple play voice, video and data are evolving for first mile customers (small businesses and homes). A key factor in this FTTx evolution is GPON (Gigabit Passive Opti...[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]
This article will discuss a common problem in wireless mobile data reception.
Problems facing RF receivers
The common problem faced by RF receivers is that the same hardware must be used ...[Details]
AD604 is a product of Analog Devices (AD). Compared with similar products, AD604 has the characteristics of ultra-low noise, high precision, continuously adjustable gain, and the decibel (dB...[Details]
Analogue and Mixed Signal
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