1. Method for distinguishing the positive and negative electrodes of the Zener diode: From the appearance, the positive end of the metal-encapsulated Zener diode body is flat, and the negative end is ...
Baidu and TI's official website can only download a 60-page English manual. If I want to check a register, I can only check the address of the register, but I can't find its function at all. Does anyo...
Hello everyone, I use ATRM9200QU high and low temperature test, the system works normally at high temperature +55, but it freezes at -40 degrees. The ARM9200 peripheral circuit includes two SDRAM (256...
The Bluetooth chip can support over-the-air upgrades, that is, receiving firmware downloads from the host via Bluetooth, and upgrading the firmware through the internal upgrade service program.The Blu...
Thermal power plant stainless steel high pressure filter Brand: Xingniu Model: GLQ series Principle: Water filtration Application: Water filtration Style: Straight-through Performance: Precision filtr...
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]
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]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[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]
Workers in garment factories usually turn on the power of the sewing machine motor as soon as they get to work and do not turn off the sewing machine power until they get off work. In fact, during ...[Details]
Some experience we have accumulated when debugging a system using Keil C
1. Since Keil C does not support Chinese very well, the displayed cursor will be inconsistent with the actual cursor positi...[Details]
Design Considerations
After the long-term deployment of smart meters (automatic meter reading infrastructure), a two-way communication will be established between the utility and the consumer. The ...[Details]
1 Introduction
Embedded touch screen device is a human-computer interaction device. Generally, the touch screen is installed on the LCD screen. The microprocessor is used to control the touch ...[Details]
Modern smartphones are sleek and powerful, and while the size of the phone varies depending on the model, in general, a state-of-the-art device packs a lot of features into a package that measure...[Details]
This design uses AT89C51 microcontroller as the core and 4*4 matrix keyboard as input to control the start, stop, speed and direction of the DC motor, completing the basic requirements and the requ...[Details]
0 Introduction
Learning single-chip microcomputers is a very practical process. At present, single-chip microcomputer laboratories are basically built with hardware simulation equipment. Due to...[Details]
0 Introduction
Single-chip microcomputer data acquisition system refers to a system that uses single-chip microcomputers to collect, store, display and transmit various signals on site, includi...[Details]
We know that all
LEDs
must be powered by a constant current source, but currently many street lamp manufacturers mostly look for suitable constant current modules after
the LED modul...[Details]
In many lighting applications, linear LED drivers are the preferred solution because they are relatively simple, easy to design, and enable LEDs to be driven with precise regulated currents regardl...[Details]
Analogue and Mixed Signal
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