What is the reason? I know it's hard to say, but I connected it according to the datasheet. The effect is not good when using opa694 as the pre-stage follower input. It is not good when using opa690. ...
TI BLE course (I): Bluetooth low energy technology and its characteristics [url=http://v.youku.com/v_show/id_XNTk4MDUyODM2.html]http://v.youku.com/v_show/id_XNTk4MDUyODM2.html[/url] TI BLE course (II)...
[i=s]This post was last edited by x1816 on 2017-2-18 18:29[/i] [font=黑体][size=6][b]Shield board introduction[/b][/size][/font] [font=微软雅黑][size=3]Shield board is the bridge connecting the sensor board...
Using STM32F103ZET6, the code is as follows int main(void) { int getdr; RCC_AHBPeriphClockCmd( RCC_AHBPeriph_CRC , ENABLE); CRC->CR = 1; CRC->DR = 0x0; getdr = CRC->DR; while (1){} } Including turning...
I am making a simple gadget that communicates via the UART port. There is no RESET button on the 149 circuit, so it is reset by power-on.The program is written and the hardware simulation is true, wit...
[i=s]This post was last edited by paulhyde on 2014-9-15 04:18[/i] This is the first time we have worked on a power supply topic, and it is a topic known as the most difficult power supply. The inverte...
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]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[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]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
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