1. Photoresistor
A photoresistor is a special resistor made of semiconductor materials such as sulfide or selenide. The surface is also coated with moisture-proof resin and has a photoconductive effec...
In daily work, we occasionally encounter customer feedback: the LCD screen does not display or displays very light after it is turned on. The impact of voltage on this problem is often ignored by us.
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In the study of PCB reverse technology, reverse deduction schematic refers to the reversal of PCB file diagram or drawing PCB circuit diagram directly according to the physical object of the product, ...
[size=4]Differences between SMBus and I2C[/size] [size=4] [/size] [size=4] There are some differences in timing characteristics between SMBus and I2C buses. First, SMBus requires a certain data hold t...
My car navigation system is Luchangchangyun+, and the system is Wince6.0. I want to set a system startup prompt tone, which is similar to the sound of Window startup. I checked the control panel and f...
1. Introduction The on-chip FLASH of MSP430F5438 can be used as EEPROM. This part of FLASH is called INFO FLASH. There are 4 blocks of 128Byte each. Although the capacity of INFO FLASH is relatively s...
In modern electronic system design, programmable logic devices have been widely used due to their excellent performance and flexible and convenient upgradeability. Since large-scale high-density pr...[Details]
At present, whether in industrial production or scientific research experiments, the equipment for automatic control through temperature measurement is becoming more and more popular, and there are...[Details]
The 2019 World Ultra High Definition Video (4K/8K) Industry Development Conference was held in Guangzhou. The conference was co-hosted by the Ministry of Industry and Information Technology, the Stat...[Details]
The designed wireless data transceiver system is an important part of the wireless follow-up control system. It is mainly composed of
nRF905
wireless transceiver module and
LPC2148
A...[Details]
This is the program I wrote for controlling AD7715 with dsPIC30F6015. The source program of the microcontroller is as follows: #include p30f6015.h _FOSC(CSW_FSCM_OFF & XT_PLL4); _FWDT(WDT_OFF); #d...[Details]
Digital signal processors (DSPs) offer excellent multimedia performance. In general, they run codecs at only 40% to 50% of the cycles required by general-purpose processor (GPP) cores. DSPs also of...[Details]
According to foreign media reports, the US Patent & Trademark Office has published a patent application from Apple, which involves a LWIR (long wave infrared) foveal vision system for detecting objec...[Details]
Unit series inverter
This is a circuit topology that has only been developed in recent years. It is mainly composed of three parts: input transformer, power unit and control unit. It adopts mo...[Details]
The world's first 5G driverless bus line to be trial-run on an open road has officially started. Witnessed by guests from all walks of life attending the launch ceremony of the Henan Province 5G+ Dem...[Details]
Japan's Panasonic Corp. plans to reduce its heavy reliance on Tesla Inc. by producing batteries that can be used in other brands of electric vehicles, outgoing CEO Kazuhiro Tsuga said. Tsuga's comm...[Details]
Abstract: The MAXQ3210 is unique among the MAXQ family and other embedded microcontrollers. It combines EEPROM-based code and data storage, a piezoelectric speaker driver, and a 9V regulator in a low-...[Details]
According to foreign media reports, at a press conference held in Europe recently, Koji Sato, president of Lexus International, said that this year, Lexus will launch a car equipped with a hands-free...[Details]
Japan's Toyota may be the slowest among the many traditional automakers developing electric vehicles, but it could also be the first to abandon pure gasoline power.
Nearly 30 years after...[Details]
As a channel for the processor to respond to external events, external interrupts play a very important role in the control system. From the previous discussion, we know that there are 8 external int...[Details]
We have disassembled the iPhone SE 2, and this time we will reveal the BOM table. The diversity of Apple's supply chain is in line with the "globalization" that Apple has always adhered to. We can ...[Details]
Analogue and Mixed Signal
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