1. Interrupt-related conceptsInterrupt process-----------------------------------You are playing chess, and suddenly the phone rings. You go back to the room to answer the phone, and thencome back to ...
The reason why the display detector of the spectrum analyzer is introduced is that in applications such as broadband signal power testing, power spectrum density testing, and phase noise testing, ther...
[i=s]This post was last edited by roc2 on 2019-10-6 11:02[/i]1. Overview
HTTP web server is a common function of ESP8266. Here we use the ZeroZhi open source platform to demonstrate this example.
2. S...
The FOC vacuum cleaner development kit is a low-voltage sensorless FOC development board developed using CMS32M5733. It supports sensorless FOC and single resistor control, and has fast startup, smoot...
1. If the MCU has a serial port peripheral, plus a level conversion chip, such as MAX232, SP3485, it is an RS232 and RS485 interface.2. RS485 uses differential signal negative logic, +2~+6V represents...
(Image source: libelium official website) According to foreign media reports, in order to meet the growing demand for smart parking equipment with higher precision, Spanish hardware and IoT solu...[Details]
According to a recent report released by an authoritative industry research organization, by 2020, the overall scale of global smart home will increase from the current 10 billion US dollars to 50 bi...[Details]
Front of the multimeter: The upper part is the microammeter, and there is a mechanical zero adjuster in the middle to calibrate the zero position of the needle. The lower part is the operation panel,...[Details]
1. Overview A common problem of AC speed regulation system composed of frequency converter is that its performance is not ideal when the system runs in the low-frequency area. It is mainly manif...[Details]
Introduction Since the advent of the average velocity tube flowmeter in the late 1960s, it has been continuously improved (known abroad as Annubar, Verabar, Probar, Torbar, Itabar, Preso, Deltabar,...[Details]
According to the China Business Times, US President Trump announced that on September 1, a 10% tariff will be imposed on the third wave of mainland products imported into the US, amounting to approxi...[Details]
Recently, I made a phase-locked loop to generate an oscillation frequency of about 65MHZ~73MHZ. Since the maximum input frequency of MC12022 can reach 1GHZ, and the maximum oscillation frequency...[Details]
1. Structure and working principle of P0 port The structure of one of the 8 bits of port P0 is shown in the figure below: As can be seen from the figure above, the P0 port is composed of a la...[Details]
Last week, the National Development and Reform Commission required the orderly liberalization of on-grid electricity prices for various types of power sources and the improvement of the cross-provi...[Details]
Observing bit 31 of the DR register to confirm whether the conversion is completed is a query method. If the conversion is not completed, the program will stop at the statement being checked and cann...[Details]
Open JFlashARM.exe in the SEGGER\JLinkARM_V408k directory. Click File- New Project to create a new project, select Options- Project settings, switch to the CPU page, check Use target RAM (if this is ...[Details]
According to news on June 16, Micron Technology announced today that it plans to invest more than 4.3 billion yuan in its packaging and testing factory in Xi'an, China, in the next few years. The a...[Details]
Vortex flowmeter is a commonly used flow measurement instrument with the advantages of stable performance, flexible use, high reliability, and easy maintenance. During the use of vortex flowmeter, att...[Details]
On October 23, we learned from the official that Ideal Intelligent Driving "end-to-end + VLM" has officially started full push, including all models under the AD MAX platform. The new generation of...[Details]