After we made a buzzer together last time, your brain circuits were very fast. Now let's strike while the iron is hot and think about it. In the past, we have been using digital pins (such as D0, D1, ...
OPEN and CLOSE are two buttons, OPEN is a normally open button, CLOSE is a normally closed button. RL1 and RL2 are used to simulate loads.
Under normal circumstances, Q3 should have no output when pow...
I heard that it won't work because the pins of SIM900A are too dense. Does anyone know if it can be done?
Anxious +10086
-------------------------------------------------------------------------------...
As the eyes of engineers, oscilloscopes are one of the most commonly used time domain test and measurement instruments. 70% of oscilloscope users need to transfer data to devices other than oscillosco...
I have seen many big factories, such as Jiali Chuang, and they basically charge 100 yuan more for black paint (compared with green paint). I have also asked some small board factories, and their green...
LOTO virtual oscilloscope software function demonstration - FIR digital filtering
This article introduces a new function of LOTO oscilloscope - FIR digital filtering function .
Before that, let's firs...
The on-board charger can realize the functions of AC input (85VAC~265VAC)/DC output (200VDC-750VDC) output. The core architecture of its circuit usually consists of four parts: rectification, PFC b...[Details]
Rockwell Automation China Ltd. announced that it has established a long-term business partnership with Guangzhou BeiGene Biopharmaceuticals Co., Ltd. (hereinafter referred to as "BeiGene") to provide...[Details]
Since the PC pointer automatically jumps to address 0x00 to execute after an interrupt or exception occurs in the ARM CPU (while saving some CPSR registers, switching the operating mode, etc.), the i...[Details]
According to Bloomberg reporter Mark Gurman, Apple will not integrate under-screen Touch ID in the iPhone 13 because its goal is to integrate under-screen Face ID. Gurman said: "Although Apple has te...[Details]
Single-chip microcomputer is a very practical subject. At present, there are many problems in the classroom and experimental teaching of single-chip microcomputer. On the one hand, the experimental...[Details]
As expected, Xiaomi today officially unveiled its latest wireless charging technology, which is also the fastest in the world, rated at 80W. This makes it the company's third major development in wir...[Details]
Bits 6:4 of the TIMx_CCMR1 register in the data sheet determine the timer output PWM modes: 000: Freeze. The comparison between the output compare register TIMx_CCR1 and the counter TIMx_CNT has n...[Details]
In general, all lines in the source program are compiled. However, sometimes you want to compile a part of the content only when certain conditions are met, that is, specify the compilation conditi...[Details]
motivation
Based on my curiosity and interest in new fields, I recently signed up for an "Introduction to Smart Cockpit Products" course at an educational institution. For the purpose of learn...[Details]
For fiber optic spectrometers , the spectral range is usually between 200nm-2200nm. It is difficult to obtain a wider spectral range due to the requirement of relatively high resolution; at the same...[Details]
Previously, foreign media reported that the iPhone 15 and iPhone 15 Plus models that Apple will launch this year will be equipped with 48MP pixel lenses, and in order to capture more light to improve...[Details]
China Energy Storage Network News:
Yesterday, the reporter learned from the State Grid Wuhan Power Supply Company that Jiangcheng’s first “four-station integration” urban energy Internet ecol...[Details]
Smart projectors are loved by consumers with their large screens of hundreds of inches and have entered our daily lives. Buying a projector is a trend, but people don’t know how to choose the best ...[Details]
On October 15, Zhang Huamin, chief researcher of Dalian Institute of Chemical Physics, Chinese Academy of Sciences, and Ma Xiangkun, professor of Dalian Maritime University, visited the company and...[Details]