[i=s]This post was last edited by paulhyde on 2014-9-15 09:19[/i]1. Task Measure the superposition signal of two sinusoidal signals, where x1 is the main signal with an amplitude of V(bias is 0V), fre...
I posted this thread after reading the following thread. [url]https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=311494&highlight=%C7%B3%CC%B8[/url] It explains the time slice polling method very...
[i=s]This post was last edited by wgsxsm on 2015-11-15 22:47[/i] Continued from the previous post: [url=https://bbs.eeworld.com.cn/thread-476175-1-1.html]https://bbs.eeworld.com.cn/thread-476175-1-1.h...
Today I used a fire detection module to connect to the internal AD of F149. I used 3.3V to power the flame sensor module. When the output pin was suspended, I measured that the output pin was changing...
Solder Mask is the solder mask layer, which is required for all pads that need to be soldered and copper foil.The paste mask is the SMD steel mesh layer for the pads that need to be reflowed. The refl...
Car picture[img]http://m151.mail.qq.com/cgi-bin/viewfile?f=E231CC10EC933C0EF51E7F1E5F65FEDE249087B4C426412D5FED7070FBD5E65EBC26098A2A8D 86057A1E858DE0D01AE7C277D843CD0C1DCA8A36AE94500493476703B821AAA3...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
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]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[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]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[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]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
Electronics Design Contest
京公网安备 11010802033920号
EEWORLD
