Low frequency RFID chips (passive) operate at a frequency of around 130kHz. The main applications are currently access control, animal ID, electronic lock frames, authorization checks for machine cont...
Electric motorcycles have become popular in the market in recent years due to their advantages of energy saving, emission reduction, space saving and easy driving, and their sales have been rising ste...
[size=4]This article summarizes some common errors and precautions when using MSP430G2553 for experiments. The software used is CCS8.0 for your reference. The specific project will not be given. If yo...
On January 7, rumors about updates to Apple's iPhone 14 series, which will be launched this fall, continue. Whistleblower @DylanDKT claimed on Twitter that the front camera of the iPhone 14 Pro serie...[Details]
Jiwei.com News: On December 20, Shenzhen Tianma A issued an announcement stating that the company's wholly-owned subsidiary Xiamen Tianma and the investors designated by the Xiamen Municipal Governme...[Details]
1 Main circuit absorption circuit and di/dt suppression circuit
The input side of the rectifier circuit should be connected to an anti-lightning overvoltage or operation overvoltage absor...[Details]
Current series negative feedback circuit and identification method
Negative feedback
Amplifier circuit
The circuit is shown in Figure 7.8. The judgment of the ...[Details]
A recent post on Facebook, a foreign social network, has attracted the attention of netizens, saying that long-term wearing of Apple AirPods will cause "radiation and Bluetooth signals to pass direct...[Details]
Medscape Mobile
It's no secret that doctors love mobile devices, especially iPhones and iPads. Manhattan Research recently reported that three out of four doctors own some kind o...[Details]
Recently, I need to use door magnetic in my project, and I use STM8L051 chip. When using button battery, it is necessary to have low power consumption and energy saving. First, let’s look at the lo...[Details]
1 Introduction The oil tank area monitoring system is a basic component of the oil depot reserve company. At present, most oil tank areas generally have problems such as backward technology, low au...[Details]
When protest marches escalate into riots and destruction, the original intention of expressing demands has changed. Stores were smashed and products were stolen. In addition to closing the stores u...[Details]
"What exactly is E-CVT?" We often hear the term "E-CVT", but what does it really mean? Let's take a closer look.
First of all, we have to make it clear that E-CVT (electronically control...[Details]
According to Wuxi Daily, the first phase of Huahong Wuxi integrated circuit R&D and manufacturing base project has reached full production, achieving the monthly wafer output target of 40,000 pieces ...[Details]
This industry may not be familiar to everyone. Microcomputer protection devices have only developed in recent years. The main manufacturers of devices include NARI, XJ Electric, NARI, Beijing Sif...[Details]
Multi-channel output DVD power supply circuit with output power of 20W
The design using the TOP245P in Figure 1 is well suited for DVD and set-top box applications. The P package eliminates the nee...[Details]
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