I got a little gecko M0 development board EFM32ZG, the legendary ultra-low power consumption, with a MemoryLCD that is said to be more advanced than an e-paper display: LS013B7DH03, quite high-end. Th...
[hide]作为一种新的光源,近年来各大公司和研究机构对LED电源和驱动电路的研究方兴未艾。与荧光灯的电子镇流器不同,LED驱动电路的主要功能是将交流电压转换为直流电压,并同时完成与LED的电压和电流的匹配。随着硅集成电路电源电压的直线下降,LED 工作电压越来越多地处于电源输出电压的最佳区间,大多数为低电压 IC 供电的技术也都适用于为LED,特别是大功率 LED供电。再则,LED电源还应能利用...
There is a problem when using memcpy in my program. pBufOut is a BYTE pointer, and pbuf is an array of local variables. BYTE pbuf[40]; memcpy( pBufOut, pbuf + 3, 32 ); After executing memcpy, a lot of...
When adjusting EEPROM (IIC), the first time the program is run after the board is powered on, it can run normally. However, when the program is downloaded again and run again, the Serial Bus is always...
There was a small event in the forum some time ago (we don't produce code, we are FPGA code porters [url]https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=467513&fromuid=391494[/url]) Everyone w...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[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]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[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]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[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]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]