In the past few years, due to the rapid development of smartphones, wearable devices, and the Internet of Things, especially the popularity of TWS Bluetooth headsets in the past two years, the develop...
My Shengli brand multimeter broke down, so I wanted to buy a new one (it’s been around for about seven or eight years). A friend recommended Fluke 15B+ to me. He said it’s definitely worth buying for ...
The pressure sensor we use is exactly the same as others. But when connected to the board and measured without load, the voltage is different.
Others' measurements are 0mV, but ours are around 3.5mV.
...
◎Electromagnetic Interference (EMI): Any electromagnetic phenomenon that may reduce the performance of a device, equipment or system, or may have adverse effects on organisms or materials. Generally s...
This work is to design a water cup holder that can detect the use status of the water cup and remind the user to drink water in time. The preliminary design of the system state machine is shown in the...
The monitoring program is responsible for the allocation and scheduling of all hardware and software resources in the system. It provides a user interface to give users a friendly working environmen...[Details]
Recently, the "First China Charging Pile Innovation Summit" was held in Beijing, hosted by CCID Research Institute of the Ministry of Industry and Information Technology, and organized by New Energ...[Details]
Learning PIC is quite easy. After all, I have learned two 16-bit microcontrollers and even a 32-bit processor. It is very easy to learn 16-bit microcontrollers. At the beginning, I got a dsPIC33FJ...[Details]
The glorious past of 51 single chip microcomputer 51 single-chip microcomputer refers to MCS-51 series single-chip microcomputer, CICS instruction set. Developed by Intel, its structure adds instru...[Details]
In recent years, due to the increasing market demand for new energy vehicles and energy storage, electrolyte shipments have increased year by year. The agency predicts that global demand for lithium ...[Details]
Friends who design small package products may know about 3225-4PIN crystal oscillators. Why is the bulk price of 8MHZ crystal oscillators 2 yuan per piece, while 16MHZ crystal oscillators only need 0...[Details]
Example 1: P1.0 connects a button to GND, the button number is '6', and the button is displayed.
Code
1. #include at89x52.h
2. #include “KEY.H”
3. void main( void )
4. { P1_0 = 1;...[Details]
On April 3, NIO announced that the first mass-produced 150kWh ultra-long-range battery pack officially rolled off the production line and will be launched in the second quarter. This battery pack i...[Details]
On July 15, the groundbreaking ceremony of Aerospace Lithium Battery's Inner Mongolia Baotou Base was successfully held. At the ceremony, Aerospace Lithium Battery and Beiben Heavy Duty Truck reach...[Details]
● Interrupt Mapping Unit: Maps USB events that may generate interrupts to three different NVIC request lines: ─ USB low priority interrupt (channel 20): Can be triggered by all USB events (correct...[Details]
What is the difference between hifi speakers and ordinary speakers?
There are several main differences between HiFi (High Fidelity) speakers and ordinary speakers:
1. Sound quality perfor...[Details]
Digitalization mainly includes big data, cloud computing, artificial intelligence and blockchain technology. It is usually called ABCD: A-Artificial Intelligence, B-Block Chain, C-Cloud, D-Big Data...[Details]
1 Background In an increasingly information-based society, various embedded systems have penetrated into every corner of daily life. The functions of embedded systems are becoming more and mo...[Details]
The ARM Architecture Reference Manual ARMv8-A contains a memory hierarchy framework diagram, from which you can see the relationship between L1, L2, DRAM, Disk, and MMU, as well as the roles they pla...[Details]
Analog Devices Inc. of the United States has launched the instrumentation amplifier IC "AD8237" with an input offset voltage of only 75μV (maximum) and a temperature drift of only 0.3μV/℃ (maximum). ...[Details]
RF/Wirelessly
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