This book is divided into 14 chapters, which comprehensively expounds the design and drive control ideas of modern permanent magnet AC motor systems. Starting from the basic characteristics of permane...
There are several 0805 SMD LEDs on the board, flashing. If you listen carefully, you can see that the LEDs make sounds when they are on.It's like the sound of a buzzer that's been shrunk by n times. W...
I want to run an Android project on a real device, but the following picture appears:There is no mobile phone logo on it, and the minimum API is 18. Is it because my mobile phone version does not supp...
Hardware modification expert Sebastian Staacks has accomplished the seemingly impossible: using a basic 32-gigabyte Game Boy cartridge and an ESP8266 microcontroller, he has given the Game Boy the abi...
[align=center][b][size=3]Dear, how much time do you spend on the subway every day? [/size][/b][/align][size=3][align=center][b]I always feel that taking the subway is a waste of time[/b][/align][/size...
void ReceiveAck(void) {unsigned char i = 0;SCL_1;Delay(5);DIR_IN;while ((SDA_IN == 0x01 /*sda==1*/)(i255)/*convenient for debugging, can be omitted*/){i++;}DIR_OUT;SCL_0;Delay(5); }
This is a subrouti...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[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]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
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