[size=5][color=#0000ff][b]1. PTC thermistor boiling water automatic alarm circuit[/b][/color][/size] [size=4]The figure below shows a boiling water automatic alarm circuit constructed with a PTC therm...
I just started to learn how to use op amps. The project needs to amplify a small signal with a Vpp of 20mV (with a 1V DC bias) to 0~4V. I plan to use a bandpass filter to filter out high-frequency noi...
Single-chip microcomputers can be programmed in assembly language, high-level languages C and Basic, or graphical languages. Programmable controllers are widely used in industrial control. The microco...
As shown in the figure, this is a low-end current detection circuit, which mainly detects the current change from 1mA to 1A. At present, the performance of several 385s tested is different. Some 358s ...
The CPU of the MSP430 microcontroller belongs to a RISC (reduced instruction set) processor. The RISC processor is basically designed for high-level languages, because the reduced instruction system g...
"Engineers in Beijing get in their cars after work on Friday, play games, watch videos, and sleep, and then watch the sunrise on the beach in Qingdao the next morning. I think this should be basica...[Details]
With the development of lighting technology, LED has entered people's lives. Due to its energy saving, environmental protection and long service life, it quickly gained a solid market position. Howev...[Details]
Summary: We are actually exposed to many operating systems, such as windows, Android, IOS, and Linux, all of which are operating systems. The microcontroller also has its own operating system, called...[Details]
An oscilloscope is an electronic measuring instrument with a wide range of uses. It can be used to test different electrical quantities, such as voltage, current, frequency, phase difference, amplitu...[Details]
On May 18, according to Taiwan media reports, Huawei urgently placed an additional $700 million order with TSMC. The products cover 5nm and 7nm processes, making TSMC's related production capacity fu...[Details]
External reset is generated by a low level applied to the RESET pin. When the reset low level duration is greater than the minimum pulse width (see Table 19), the reset process is triggered, even if ...[Details]
In 2019, when Samsung announced a strategic partnership with AMD and purchased AMD GPU license for US$100 million, many people expected Samsung processors to revive the Android ecosystem. After...[Details]
Do you all stand far away when using a microwave oven? This is simply because you are afraid that your body will be exposed to the electromagnetic waves of the microwave oven, which will affect your ...[Details]
1. System Architecture
Four driver units:
--Cortex™-M3 core DCode bus (D-bus) and system bus (S-bus);
--General DMA1 and General DMA2;
Four passive units:
--Internal SRAM;
--Internal flas...[Details]
Section 1: Mood and Clock To be honest, I don't have many microcontrollers that I can use. I always think that any microcontroller can develop a good product. In the past few years, I used 51 and alw...[Details]
In the field of Bluetooth headsets in recent years, the launch of Apple's third-generation AirPods has accelerated the popularity of true wireless Bluetooth headsets, making a series of wireless Blue...[Details]
Regarding the topic of motor position sensors, the following two questions are often asked, which are briefly sorted out here:
What is "hardware decoding"?
What is "software decoding"?
...[Details]
For large convenience stores or supermarket chains, using traditional manual recording methods to manage the storage, transportation, ordering and receipt of goods is extremely labor-intensive and ti...[Details]
The laser power supply is based on the principle of capacitor discharge, and the pulse formed is a sharp pulse with a shallow leading edge. If a transmission line (coaxial cable or pulse forming netw...[Details]
1. What is load dump?
Load dump refers to the sudden change in power supply voltage caused by the load mutation at the moment of disconnection between the power supply and the load. In the fie...[Details]
Analog electronics
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