Where can I buy a contactless IC card reader in Beijing? I am a college student and just want to buy a cheap one for my project research. Thank you all...
The DC/DC converter control circuit 34063 is a monolithic bipolar linear integrated circuit dedicated to the control part of the DC/DC converter. It contains a temperature compensated bandgap referenc...
[size=4]ARM (Advanced RISC Machines) is a well-known company in the microprocessor industry. It has designed a large number of high-performance, low-cost, low-energy RISC processors, related technolog...
When starting a Target, an error message "not enough memory to store the object file" appears, indicating that there is not enough memory to store such a large symbol table file. Setting the memory ca...
The most valuable NRF905-CC11000-infrared integrated development board JASK2000 JASK2000 development system integrates the most mainstream wireless receiving IC in the current 433 frequency band: NRF9...
1. Conductivity The medium measured by the electromagnetic flowmeter needs to meet the conductivity requirements. The liquid conductivity needs to be greater than 5μs/cm. 2. Accuracy level The electro...
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[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]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[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]
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]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
SL11R is a 16-bit RISC microcontroller with a USB interface produced by Scanlogic. Its core processing speed reaches 48MIPS. It has rich hardware resources and 32-bit programmable I/O ports, and ca...[Details]
System Block Diagram
The system uses DSP56F826 chip as the core control module and CMOS digital image sensor chip. The image acquisition resolution can reach 640×480 pixels. When high-re...[Details]
Abstract: Based on FPGA hardware, the image scaling with fixed magnification is realized. The 2D convolution operation is decomposed into 2 1D convolution operations. The input original image pixel...[Details]
Introduction
The LED market has seen tremendous growth over the past few years. Advances in thermal dissipation, packaging, and processing have resulted in higher brightness, higher efficien...[Details]
Embedded System
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