[i=s]This post was last edited by paulhyde on 2014-9-15 09:48[/i] Design a preamplifier circuit to have good DC and AC characteristics in a wide frequency band. The circuit includes input impedance ma...
Welcome to the sixth edition of the MicroPython Newsletter. Many of you have been wondering about the upcoming new D-series pyboard and when it will be available. Some of you even bought one at FOSDEM...
Search and install it in the Ubuntu Software Center. Software screenshot: [img]https://12.eewimg.cn/bbs/data/attachment/album/201603/27/195723uzffa0cprevfugpf.png[/img]...
[i=s] This post was last edited by ppxxjh on 2017-10-25 15:37 [/i] 1. The figure shows a circuit for controlling the rebound voltage, which is used in DC brushless motor driving. The input end is an R...
I imitated Dongshan's LCD program and made a program for LCD display pictures. The main display program is as follows: void Test_Lcd_Tft_16Bit_240320(void) { printf("[TFT 64K COLOR(16bpp) LCD TEST]");...
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[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]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[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]
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]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]