Resistors have power limits. If a 50R resistor is 1/8W, then the maximum voltage applied to its two ends cannot exceed 2.5V. At this time, the current flowing through it is 0.05A, that is, 50mA. Then ...
Chip MSP430F47197
SD16_A performs 7-channel sampling, 32768 crystal oscillator, OSR256, sampling frequency fs=32768*32/256=4096/s
The sampling frequency of the AC voltage is 50HZ. My understanding is ...
Nowadays, no matter what field you are in, there seems to be a trend towards software, and people are becoming more and more dependent on computers. Wouldn't it be very harmful to your eyes if you wor...
My terminal node needs to save energy, so I set POWER_SAVING during precompilation. After setting it, I called the HalLedBlink() function and found that there was a problem with the light flashing. Ho...
[i=s]This post was last edited by 574433742 on 2015-9-29 10:38[/i] [align=center][/align] [align=center][b][url=https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=474280&fromuid=391494][color=#ff...
[b]Table of Contents: [/b]Part I Analog Circuit Experiment 1 Use of Common Electronic Instruments Experiment 2 Design, Installation and Debug of Single-stage Low-frequency Amplifier Experiment 3 Integ...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[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]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Analog electronics
京公网安备 11010802033920号
EEWORLD
