300 citizens changed their cards on the first day to try it out. Changing an RFID-SIM card only takes a few seconds. This newspaper (Reporter Jiang Si, Correspondent Zhou Yulan) Swipe your phone to ta...
I just received the sample from EEworld and I can't wait to open it. The packaging is very exquisite.I took out the sample and tested it without saying anything.I found that the current is about 2mA w...
I wrote a driver that starts the timeout timer after receiving the first byte of the protocol, and resets the receiving buffer if the timeout expires. I don't know how to use the timer in the driver, ...
I want to use the 4 captures of F5529 for sound positioning, corresponding to P1.2--P1.5, but why is there no pin for P1.2-P1.5[img]C:\Users\king\Desktop[/img]...
[i=s] This post was last edited by Tech Hunter on 2016-6-16 18:17 [/i] [MsgOS] Post an operating system I wrote for cortex-m microcontrollers [url]https://bbs.eeworld.com.cn/forum.php?mod=viewthread&t...
As the title says, the project requires an encryption chip, but Microchip is currently in serious shortage.Are there any recommendations from domestic manufacturers for an asymmetric encryption soluti...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
1 Introduction
CAN (Controller Area Network) bus is a kind of field bus. It is used in many industrial sectors due to its outstanding advantages such as high performance, high reliability, high...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
Single-chip microcomputer is the abbreviation of single-chip microcomputer. It is made by integrating CPU, ROM, RAM, TIMER/COUNTER and input/output interface (I/O) on a large-scale integrated circu...[Details]
The use of power switches is complex and confusing to most electronic product designers, especially those who are not experts in power management. Power switches are increasingly being used by desi...[Details]
The coking workshop of Tianjin No. 2 Gas Plant is the core of the whole plant's production and an important source of economic and social benefits. Its production automation level and management an...[Details]
RF/Wirelessly
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