For example, if a display meter receives a 4-20MA current signal from a transmitter, can several meters be connected in series for display?
Personally, I think that if the instrument is current driven...
I applied for MM's F103 development board and made a J1939 module. I used the CAN pins of PA11/PA12. The relevant pin configuration in the official SDK is shown in the figurePlease shield the breakpoi...
Porting the graphics library to drive TFT LCD (ILI9325) under 9B96
It is displayed now, but the displayed controls seem to be out of range?
Modified
#if ! defined(PORTRAIT)! defined(PORTRAIT_FLIP)\ ! ...
[i=s]This post was last edited by jishuaihu on 2015-1-14 22:14[/i] This is the first time I use Altium designer to draw a more complex board. The schematic is designed in a hierarchical way. Now I can...
CCTV invites experts to answer questions about Chang'e "Chang'e-1" is about to be launched. What do you want to know about "Chang'e-1"? Do you have any questions about my country's lunar exploration p...
After the rl78 g13 chip is initialized, all io are set to output low level and then stop(). The current is about 3ua. After adding rtc, the current reaches about 270ua. I need an expert to help me. I ...
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
With the rapid development of the IT industry, the demand for small DC cooling fans with PWM control (hereinafter referred to as fans) used in electronic products is increasing. This type of DC fan...[Details]
1 Introduction
Max+PlusⅡ is an integrated FPGA/CPLD development environment provided by Altera. It can independently compile simple VHDL programs. However
,
the
automatic elevator contro...[Details]
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
Industrial Control Electronics
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