Several hardware and embedded software questions1. In what situations are multipliers used, and what applications will they be used for?2. What are the advantages of dual-power op amps? Many op amps n...
The epidemic has finally been eased, and express delivery can be delivered. This time, I was fortunate to get a one-to-three data cable and a mobile phone cleaner at the Mid-Autumn Festival "State Ban...
Event details: https://bbs.eeworld.com.cn/thread-1214569-1-1.html@Northern Deli Wireless Car Charger
【Teardown of car wireless charger】——Teardown of Deli wireless car charger@landao_gd Xiaomi wireless...
# Compile the sample_virvi example in eye-mpp middleware## `make menuconfig` configure sample_virvi## Use adb push command to copy sample_virvi and sample_virvi.conf to the board directory; ## Modify ...
1. ATX power supplies have 20-pin and 24-pin types, black ground wire, orange 3.3V, red 5V, and yellow 12V.
2. The traditional power switch determines the working state of the machine, but the ATX pow...
I just joined the printed circuit board industry recently and want to learn some classic collections in the industry. I saw someone recommend "Printed Circuit Handbook: Original Book 6th Edition Chine...
Designers use PSpice primarily to simulate analog circuits. However, it can also be used to simulate digital filters. The main components in a digital filter are delay elements, adders, and multipl...[Details]
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the follow...[Details]
The particularity of portable medical devices determines that they should be user-friendly, must work in a sterile environment, and occupy little space and consume low energy.
At the same time, por...[Details]
JTAG Technology Introduction
One disadvantage of shrinking technology is that the complexity of testing small devices increases dramatically. When the board area is large, the board is tested...[Details]
This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]
0Introduction
In oil drilling, accurate measurement of wellbore posture is the premise of wellbore trajectory control. To this end, this paper fully combines the advantages of single-chip ...[Details]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m～1kHz), audio (20Hz～20kHz), video (20kHz～10MHz), radio fre...[Details]
When you hear the word digital TV, you may feel fresh and excited, but when it comes to what digital TV is and what it can bring us, you may still be confused. You must be very eager to understa...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its exc...[Details]
In today's world, terrorism poses a severe challenge to social development, national stability and human progress. "Terrorism, political corruption and environmental pollution" are known as the thr...[Details]
A financial analyst pointed out that the signal reception problems of Apple's 3G iPhone may be caused by some defective chips.
Richard Windsor, an analyst at Nomura Securities, said in a resea...[Details]
Fieldbus is an open, digital, multi-point communication control system local area network, and is one of the most promising technologies in today's automation field. CAN bus is a hot application in fi...[Details]
Capacitive sensing user interfaces are emerging as a practical and innovative alternative to mechanical buttons in mobile phones. While capacitive sensors can be viewed as a drop-in replacement fo...[Details]
Abstract
Modbus protocol has become the first choice of communication protocol in the current industrial field due to its openness, transparency, low cost and easy development. This paper int...[Details]
When it comes to ATX power supply, people will think of two "classic" ICs: pulse width modulation chip TL494 and voltage comparator LM339. The new dedicated control chip AT2005B has the functions ...[Details]
Discrete Device
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