Digital tube is a commonly used display device. When using it, it is necessary to match the LED with a current limiting resistor, and add a driving circuit when using a multi-digit digital tube. For e...
I am using ATMEGA8a. There is no problem with single key press. But I have been working on the continuous code for several days but still can't figure out how to identify the continuous code. Could yo...
From: https://blog.adafruit.com/2019/03/17/circuitpython-in-space-pythonaut-circuitpython-adafruit-maholli404-zacinaction-smallsat-kicksat/ 408117 We released about 50+ CircuitPython-powered microsate...
A 500KHz step-down converter rated at 15A supplies the CVDD supply. The design implements VID control using a 4-wire digital interface to a VID programmer, which can be directly connected to any analo...
I am currently writing a series of articles on the ardupilot transplantation, which was completed in 2019.Hardware Platform: TM4C1294XL LaunchPad
The software platform is RT-Thread operating system
Po...
The market demand for Class D audio power amplifiers is growing at a rate of about 50% per year, with high-performance devices as the target application. The high energy efficiency and low heat dissip...
Prerequisite: norflash is initialized normally and can be executed normally from nor.
The CPU always reads instructions from address 0 to execute the program. When the CPU is set to start with...[Details]
South Korean chipmakers and Japanese chemical suppliers are caught in the middle of a sudden escalation in a bilateral diplomatic dispute as they scramble to circumvent Japan's tightened export contr...[Details]
The open circuit of the inverter brake resistor will affect the braking of the driven mechanical load of the inverter. Because the brake resistor is open, the electric energy loaded on both ends of...[Details]
Using C8051F350, we achieved stable 19~20 bits, and the last four bits of the 24-bit ADC result jumped. Summarize the main reasons affecting accuracy: 1. The sampling rate, word output rate and dec...[Details]
Circuit example of complete single-ended 75Ω input impedance to differential output, 2.5V input to 1.25V differential common mode level shifting, and single-ended to differential gain = 2 with extern...[Details]
Abstract: This paper describes the design and implementation of a new type of electrode-type wireless low-power dynamic ECG recorder. The ECG recorder is mainly composed of an electrode connection mo...[Details]
3. Section 3 Storage Mode
The storage mode determines the default storage area for variables, function parameters, etc. that do not have a clear storage type specified. There are three types in total...[Details]
Black Shark Gaming Phone officially announced that Black Shark 4 will be officially released at 15:00 on March 23, with the theme of "Breakthrough Combat Power". Today, Black Shark 4 series ha...[Details]
For full-color LED display screens, LED lamp beads are the most critical components, and the quality of LED lamp beads plays a very important role in determining the quality of LED display screens....[Details]
Earlier, the well-known third-party market research organization IDC released the market report on China's 5G smartphones in the third quarter. Data shows that as of September, the total shipment of ...[Details]
Today, I will sort out some information about how to use the function signal generator. I hope that netizens can better understand it by learning how to use the function signal generator. Although ...[Details]
Abstract/Foreword Humanity has dreamed of exploring space hundreds of years ago. Looking up to the universe has always been the same from ancient times to the present. This is accompanied by count...[Details]
The saturation flux density of the magnetic powder core is as high as about 10T (10000Gs). Under strong magnetic field conditions, that is, when working at high current, the core is not ea...[Details]
The pressure instruments used on site can be divided into two categories: local and remote. The local ones are mainly spring tube pressure gauges. The second is the diaphragm box micromanometer. The ...[Details]
Recently, the first mass production line of all-solid-state lithium batteries in China was officially put into production. This production line was invested and built by Beijing Pure Lithium New Energ...[Details]
DIY/Open Source Hardware
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