I am not very good at using ad, and the PCB files of wenbench are all 4-layer. The PCB I made can only print one layer. I want to import the components and packages and do the wiring myself, but I don...
[p=24, null, left][color=rgb(62,62,62)][font=simsun, Arial][size=14px]The speed of research and development of switching power supplies has made a significant technological leap in recent years, and t...
Editor's note: After Qian passed away, many people asked us: What was Qian's last words? They also hoped that we, the staff around him, would write a manuscript titled "Qian Xuesen in his last days". ...
Last week, I had stomach pain for a long time, but nothing happened after a checkup. I had a high fever last night and didn't sleep well. Now I feel weak all over. Yesterday was my birthday, but I spe...
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]
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. 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]
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]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[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]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
1. Fully understand the design requirements of all parties and determine the appropriate solution.
When starting a hardware development project, the original driving force will come from many a...[Details]
1 Introduction
Intelligent cars are the embodiment of the cross-integration of multiple disciplines such as automotive electronics, artificial intelligence, pattern recognition, automatic con...[Details]
AD7708 is a multi-channel 16-bit Σ-Δ analog-to-digital converter ADC. It supports 4 or 5 channels of true differential input and 8 or 10 channels of pseudo differential input. This chip allows two ...[Details]
0 Introduction
Gyroscope
is a sensitive measuring element of the platform stabilization system. It senses the angular motion signal of the platform and establishes the stability bench...[Details]
Introduction
With the acceleration of China's economic development and urbanization, the amount of sewage in small and medium-sized cities has shown an increasing trend year by year. In order to red...[Details]