1. Charge during peak power supply hours For users whose UPS power supply is in a low-voltage power supply or has frequent power outages for a long time, in order to prevent the battery from being dam...
[i=s]This post was last edited by littleshrimp on 2018-6-24 20:14[/i] [align=left][align=left][color=rgb(0, 0, 0)][font=Calibri, sans-serif][size=10.5pt]LSM6DSL supports SPI and I2C communication. The...
[color=#000000][backcolor=rgb(239, 245, 249)][size=14px]I just graduated and started working. The company wanted to use Cadence. I used AD before. I wanted to learn from myself from schematic to PCB. ...
Hello everyone: The main program is as follows: main: nop nop nop ;-----------------Start to judge the key value; main_loop01: cjne a, #1, main_loop02 ljmp main Does this mean that the main program wi...
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]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
In the test of the electronic ignition module, in order to simulate the real working conditions of the electronic ignition system, the electronic ignition module is often placed in an environment h...[Details]
In order to ensure that lighting-grade white light LEDs can not only be well applied but also achieve high utilization efficiency, first of all, it is necessary to meet certain application conditions,...[Details]
1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]
Power technology
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