The ones sold on Taobao are too expensive, so I'm going to make one myself. You can connect a Bluetooth module via the USB on your Android to equip an ordinary PAD with BLE functionality.By the way, h...
This is the write waveform of STM32f103 operating AD chip (AD7746), and burrs are foundThe two pictures above are details. The following is the waveform of F2812 operating the same chip, and there are...
The first and seventh questions in the picture ask for hardware circuit design solutions~ The more the better~ Learn more knowledge! Want to know what methods can be used~...
I am learning Windows driver development and wrote a HelloDDK. There is a piece of code in the header file as follows: #ifdef __cplusplus extern "C" { #endif #include
#ifdef __cplusplus } #endif But t...
Abstract: Magnetic powder core has a higher saturation flux density and better DC bias dynamic linearity. When used to make APFC inductors, the effect of reducing core loss can be achieved by properly...
I need help with the MSP430F149 driver ultrasonic module program. It does not work properly. #include
#define RISE 1 #define FALL 0 #define CPU_F ((double)8000000) #define delay_us(x) __delay_cycles((...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[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]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[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]
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]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[Details]
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