[align=left]After implementing DIY BLE_APP for NXP IoT Bluetooth scanning, connection and reading sensor data last week, this week we improved and completed the app end to write data to the NXP IoT de...
I am not a person who likes to show off, but this little thing is so good that some netizens have taken it apart and installed it. I don’t know how big it is. I took a photo with a reference. I think ...
Memory is to CPU like warehouse is to workshop. Raw materials, semi-finished products, finished products, etc. in the workshop processing process need to be in and out of the warehouse. No matter how ...
[size=4]Visual evoked potential (VEP) is a method of obtaining EEG response information by visually stimulating the subject. According to the frequency of the stimulation signal, it can be divided int...
I use this MCU to connect ulq2003 to drive the peripheral relay. The MCU pins are not equipped with pull-up resistors, which causes the relays to jump randomly when downloading the program. Is there a...
After several days of debugging, I finally completed the lower computer part. My feelings are as follows: 1 The CCS compiler is a bit difficult to use. It has a great impact on the timing when debuggi...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
At present, products in the field of monitoring generally focus on the field level, that is, the client/server (C/S) model is adopted, the purpose of which is to ensure the stability and reliability o...[Details]
Brain-computer interface (BCI) is a novel human-computer interface method. It is defined as a brain-computer (computer or other device) communication system that does not rely on the normal output ...[Details]