Showing off the gift I just received today:pleased:. Thank you eeworld. I now treat eeworld as my girlfriend. Before we broke up, I had to greet my girlfriend every morning and evening. Now I watch ee...
I got a development board with a SOP20 MCU on it. The manufacturer model has been polished. It can be measured that Pin5 is GND and Pin16 is VCC. Can you guess which MCU it is? It would be even better...
In the design of switching power supply, the physical design of PCB board is the last link. If the design method is not appropriate, PCB may radiate too much electromagnetic interference, causing unst...
Simply put, flash is divided into two types according to different internal access interfaces: nor flash and nand flash. nor flash: just like accessing SDRAM, it is directly accessed according to the ...
[color=#000000][font=宋体][size=10.5pt] [font=微软雅黑][size=3][color=black]2012[/color][/size][/font][/size][/font][size=10.5pt][font=微软雅黑][size=3][color=black]On August 14 and 15, 2012, Freescale FTF 2012...
I don't understand. I haven't posted anything about using ChipCoin to buy accessories. I just sign in occasionally. I have hundreds of ChipCoins. Where did they come from? . ....
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[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]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]