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...
Bought this brand new, unpacked it just a week ago, powered it up just a few times, upgraded it to 200M, turned on all options, installed a better one, and now I'm selling this one as it's idle. I'm p...
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...
In a 24V environment, NE555 is used. The maximum voltage of NE555 is 15V, and the working current is 10~15mA. Add the current used for NE555 output, which is about 100mA.
I used a 78L12 to convert 24V...
The wait for the express delivery was a bit long this time. I opened the box and posted this on the day I received it. I hope I can gain something from this competition....
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...
Jiwei Disassembly and Review - Values: This is a small branch column under Jiwei Disassembly and Review - Values. We will mine the component database obtained from the disassembly, use our big data t...[Details]
Adobe reminded users this week that its Photoshop Sketch and Illustrator Draw apps will no longer be available for download on iOS and Android starting July 19. Adobe plans to stop supporting these a...[Details]
It is superior to other electronic products in terms of reliability, scalability, control function, volume, power consumption, etc. It is widely used in astronomy, seismic stations, aerospace and oth...[Details]
Abstract: In order to meet the needs of on-site intelligent control and remote monitoring of LonWorks equipment, a solution to convert LON network and Ethernet protocol through embedded gateway is pr...[Details]
Beijing time on May 9th, Tesla CEO Elon Musk announced a preliminary plan on Monday to promote the company's advanced driver assistance system: fully autonomous driving in North America and other par...[Details]
This paper implements a part of the vehicle information collection system on the embedded Linux platform - data collection of the normal temperature of the car, such as the temperature inside the car,...[Details]
On June 23, NavInfo announced that its wholly-owned subsidiary Hefei Jiefa Technology Co., Ltd. (hereinafter referred to as "Jiefa Technology") and Huizhou Desay SV Automotive Electronics Co., Ltd. (...[Details]
STC15 series reads DS18B20 temperature sensor serial port display code debugging passed, copy and paste to compile and use, no debugging is required, crystal oscillator: 22.1184M, serial port output...[Details]
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//Name: Flowing Light
//Function description: The LED lights up in a one-way cycle. Implementation in assembly language of...[Details]
As far as the 8051 MCU (single chip microcomputer) is concerned, there are many types of programmers. Here we introduce to you the "online upgrade" of the programming tools. In the past, there were o...[Details]
If you are using MCU for development, as the functions and codes increase in the later stages of the project, crashes seem to be inevitable. Whenever you encounter this problem, you usually ne...[Details]
MCS-51 microcontroller timer/counter Main contents: structure of timer/counter, 4 working modes of timer/counter, requirements for external input counting signal, programming and application of timer...[Details]
Implementation plan #e#
2.2 Implementation plan
Since the N values of h (n) are known before the convolution operation, N units can be allocated in the program memory to store h (n). Sin...[Details]
On November 5, Huawei announced a new invention of sulfide solid electrolyte, entitled "Doped sulfide materials and their preparation methods, lithium-ion batteries."
The patent applicat...[Details]
DIY/Open Source Hardware
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