I copied a circuit of an electronic scale from the Internet. There is a resistor bridge on the left side of Vin. The Vout of this amplifier circuit is transmitted to the microcontroller for processing...
Over the past six months, the forum has provided me with a very powerful learning platform! Enthusiastic administrators, rich materials, and active members. Thank you!
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I've been working on brushless DC motor control recently. I encountered a lot of problems when writing the code. I couldn't enter the interrupt program and couldn't implement the phase change problem....
Operating environment: security monitoring system (video signal control) Main equipment: computer (capture card) + camera Transmission method: video signal cable (75-5) coaxial cable Requirements: 1 V...
AT+CMGF=0OKAT+CMGL=4+CMGL:0,0,,2j!+CMGL:1,0,,8O`Y}YY +CMGL:2,0,,4O`Y}+CMGL:6,0,,4b \0,+CMGL:7,0,,10b N_Nw??SOK This is how to convert the received SMS message into Chinese! ! ! Whoever can write it ou...
[i=s] This post was last edited by muxb on 2019-5-22 22:12 [/i] After the serial shell is built, add and adjust the SPI driver, light up the LCD, and then start porting the QR code encoding code. For ...
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[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]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[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 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]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]