[i=s]This post was last edited by a media student on 2021-6-28 23:51[/i]0. Background:The switches at home are not easy to modify because they involve 220V voltage and are also dangerous. In addition,...
传媒学子onsemi and Avnet IoT Innovation Design Competition
The classic book "Semiconductor Device Physics" (3rd Edition) has established an advanced learning and reference model in the field of semiconductor devices. The third edition of this book retains the...
5G has brought about major changes in the communications industry. The number of communication frequency bands has been in a state of rapid growth since the 4G era. Among them, the RF front end, as a ...
What is the difference between the main control MCU and the touch control IC?
In fact, touch IC touch here specifically refers to single-point or multi-point touch technology; IC stands for integrated...
1. Introduction
The smart electricity meter digital electricity metering module can measure the current voltage, current, active power, reactive power and other data in real time by connecting this mo...
Hello everyone! Welcome to join the EEWorld Electronics Group! Considering the needs and habits of different netizens, we have established official QQ groups and WeChat groups. The WeChat groups are d...
According to foreign media TechCrunch, Facebook launched the social voice application Live Audio Rooms last night, officially entering the hot voice chat market currently led by Clubhouse. Liv...[Details]
Due to the limited capacity of energy storage equipment, electric vehicles have very strict management of the flow of electric energy during operation. Accurate power management can extend the vehi...[Details]
Puyuan Oscilloscope MSO8000 series is a mid-to-high-end mixed signal digital oscilloscope based on RIGOL's proprietary ASIC chip and UltraVisionII technology platform. The analog channel bandwidth of...[Details]
1. Magnetic speaker (reed speaker)
Magnetic speakers are also called "reed speakers". In the structure of magnetic speakers, there is an electromagnet with a movable iron core between the ...[Details]
Modern electronic oscilloscope technology is ubiquitous in our daily lives. Millions of people use electronic products every day in a wide range of applications, including general electronic testing,...[Details]
1. Most of the I/O ports of 51 MCU are quasi-bidirectional ports. During reset, all ports output high level. The input and output operations of the ports are also directly performed through the add...[Details]
The working principle of the circuit of this network automatic tester is shown in the figure below. Use 555 circuit to make a symmetrical square wave oscillator with frequency f=1Hz, connect IC1 pin ③...[Details]
The lifespan, energy saving and price of LEDs have always been hotly discussed topics. There are still many unsolved problems in LED technology. Circuit protection is very important in LED circuit ...[Details]
MCS-51 interrupt system: 5 interrupt sources (two external interrupts, two timers, one serial port), 2 priorities Interrupt related concepts Interrupt: When the CPU is processing something, an emer...[Details]
Simple waveform generator - square wave, triangle wave, sine wave This experiment attempts to make a waveform generator by effectively combining NE555 timer, resistors, capacitors and other comp...[Details]
I recently took a course on virtual instruments. I felt that the parallel execution and data stream transmission methods were very interesting, so I wanted to observe them and use them as my s...[Details]
In general, resistor networks are tested using one of three measurement methods:
Standard four-wire Kelvin measurement
Six-wire guarded ohm or delta resistance measurement
"Y" or buried node re...[Details]
PWM Mode 1 When counting up, once TIMx_CNT When counting down, once TIMx_CNT TIMx_CCR1, channel 1 is at an invalid level (OC1REF=0), otherwise it is at a valid level (OC1REF=1). PWM Mode 2 When count...[Details]
Photovoltaic Headlines (PV-2005) selects the most recent photovoltaic news from home and abroad for you. Readers are welcome to interact, communicate and discuss with us by clicking on the "Leave a...[Details]