Most Android phones and tablets now have USB OTG function, so we can easily program microbit through the USB of the phone (newbit in the forum can also use this method). First, we need to prepare a US...
[i=s]This post was last edited by wenyangzeng on 2022-9-12 19:07[/i][Jihai APM32E103VET6S development board] Evaluation 2, Development environmentFrom the schematic diagram, we can see that PB8 and PB...
[i=s]This post was last edited by damiaa on 2021-5-14 11:34[/i][EVK-NINA-B400 Evaluation Kit] + First Meeting
I got the EVK-NINA-B400 a few days ago. I made some preparations over the weekend and toda...
1. Power saving (because the liquid crystal itself does not emit light, the power consumption is low)
2. Can only be driven by low-frequency AC voltage, DC will damage the LCD
3. Types: segment LCD, c...
泰克公司近日推出用于SFF-8431、SFP+ PHY和SFP+直连电缆规范“10GSFP+CU”测量的首款完善的自动测试和调试解决方案，可显著减少测试时间，并大大提高设计工程师和技术人员的生产力。
The new TEKEXP SFP-TX option for DPO/DSA/MSO70000 Series oscilloscopes helps users easily select ...[Details]
SLE4428 card reading and writing program. This EMC instruction version is rewritten according to the C51 program. It has passed the debugging. ;============================= ;Send data subroutine ;Ent...[Details]
On July 19 this year, Spain's "Economist" website published an article with the above title, predicting that the global semiconductor market has quietly exited the golden period that lasted for more ...[Details]
main feature: Handheld RF analyzer, integrating antenna and cable tester, spectrum analyzer and vector network analyzer Multiple frequency options to meet different frequency test requirements The...[Details]
Friends who are familiar with the digital world know that on June 2 this year, Huawei, which was deeply mired in sanctions, officially launched its self-developed and controllable HarmonyOS 2 system ...[Details]
The 8th Advanced Manufacturing Conference 2020 was held in Jiading District, Shanghai. At the meeting, multiple parties jointly launched the Shanghai Intelligent Manufacturing Industry Investment Fun...[Details]
In the production process, we always encounter the phenomenon that one, one string, or several strings of lamp beads cannot light up when testing after mounting on the board. Here is a summary of thi...[Details]
The Beijing Court Trial Information Network today (28) made public the first-instance civil judgment (hereinafter referred to as the "Judgment") in the international sales contract dispute between WT...[Details]
As the hottest, most dazzling and most fashionable smartphones and tablets such as Apple and Samsung enter our daily lives, low-power capacitive touch solutions are gradually becoming known to every...[Details]
Power measurement and display circuit
The power measurement and display circuit is composed of a true effective value conversion circuit and a single chip microcomputer system.
⑴ The true effecti...[Details]
(1) Before measurement, the size of the current to be measured should be estimated, and an appropriate range should be selected so that the pointer indication exceeds the middle scale during measurem...[Details]
Working principle of reset circuit: It is introduced in the book that to reset the 51 single-chip microcomputer, it only needs to connect a high level to the 9th pin for 2us. How is this process real...[Details]
1. Hardware Design
The circuit schematic is shown in the figure below. It is mainly composed of wireless reception, data decoding, data processing, alarm circuit, output display, power-off...[Details]
Holographic technology is actually the recording and reproduction of real three-dimensional images. The recording problem was solved as early as 1947. Dr. Denis Gabor of Imperial College London inv...[Details]
On October 25, Shandong Power Exchange Center issued the sixth announcement on the application for registration of virtual power plants. Shandong Power Exchange Center conducted an integrity check ...[Details]
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