[font=新宋体][size=4]I made an automatic feeding machine with a single-chip microcomputer. I used the AT89C51 single-chip microcomputer, the sensor is a tuning fork method of resistance-type level sensor...
Develop a DSP board, containing two TMS320C6455 chips and a Xilinx FPGA XC5VLX85-FF668. The peripherals include(1) IO expansion chip MAX6957, 5V, connected to FPGA through 74LVC16T245; (2) UART, RS-42...
, Helvetica, SimSun, sans-serif][color=#ff0000]Problem: [/color][/font][/size] [size=3][font=Tahoma, Helvetica, SimSun, sans-serif][color=#0000ff] The data reused by tsmux, [/color][/font][/size][size...
I use GPIO to simulate I2C to operate EEPROM (24C512), but I can only read but not write. The EEPROM hardware is not write-protected. When writing, each ACK is normal (low level). However, in the main...
1. Purpose
The microphone array is arranged in an array to focus on picking up the sound signal in the space, so that the picked up sound is enhanced and the effect of long-distance sound pickup is ac...
Before applying, I learned that the core of the CH5xx series is 51. There are two packages reserved for CH554 in the development board (TSSOP20 and 440E), and the actual development board is soldered ...
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[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]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]