This paper describes in detail the hardware interface circuit characteristics and interface software programming method of the MG-12232 graphic dot matrix LCD display based on the PIC16F877 microcontr...
First, we download the IDF tool from the official website https://docs.espressif.com/projects/esp-idf/zh_CN/stable/esp32s3/get-started/windows-setup.html#get-started-windows-tools-installer.
Open the ...
[size=4]1) Install Cygwin[/size] [size=4] [/size] [size=4]At the beginning, I selected a part of the installation, but there was no make program. Reinstall all, OK [/size] [size=4]Add Cygwin/bin to th...
After getting the pico, I used mpy to turn on the light, then used the 133M main frequency to turn on the breathing light, and then quietly put it in the box to let it collect dust....
The gateway receives the data packet sent by the host computer through the serial port. The gateway wants to send this data packet to the routing sub-node, but it can't send it. When capturing the pac...
[color=#000000][font=宋体]In the following design questions, the main CPU chip uses ATMega128L-8AU[/font][font=宋体], and the power supply is 12V DC[/font][font=宋体]. 1. The working power supply of ATMega1...
As a natural human-machine interface, voice can make the in-vehicle navigation system safer and more user-friendly. Through the functional comparison of domestic and foreign in-vehicle navigation s...[Details]
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]
Calibrators are widely used in university experiments. Among them, there are two experiments in nuclear physics experiments in modern physics experiments (GM counter and β absorption) that require ...[Details]
Although improper medical device product design is not always associated with medical device-related errors. Studies of users have shown that lack of adequate training accounts for 70% to 90% of suc...[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]
Human body information monitoring is an emerging field. People envision developing wireless electroencephalogram (EEG) monitoring equipment to diagnose epilepsy patients. Wearable wireless EEG can ...[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]
For more than 10 years, analog-to-digital converters (ADCs) have been widely used in industrial process control, medical instruments, communication systems, radar and other products as a booster of in...[Details]
Keeping the heart environment compact and warm is beneficial in most cases, but it’s another story for electronic heart scanners. When GE Healthcare was designing a scanner that was said to be the fas...[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]
As the price of readers and tags decreases and the global market expands, the application of radio frequency identification (RFID) is increasing day by day. Tags can be powered by readers (passive ...[Details]
WiMax technology needs to demonstrate its advantages in specific application scenarios in order to gain market recognition, which requires application testing to measure system performance para...[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]
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]