My graduation project is to build a wireless control and alarm system for hangar doors. Different from the existing motorized/manual control, I choose PLC as the controller for convenience. But how do...
When LTspice imports third-party library components, the appearance is ugly, for example:Other components are also blocks of this kind. It would be nice if I could redraw the appearance myself....
I am doing a simulation on a neural network and want to measure the output waveform of U2. However, the output waveform of U2 does not change and the output voltage is not the saturation voltage value...
introduction
The HART (Highway Addressable Remote Transducer) communication protocol was introduced by Rose-mount in the United States in the mid-1980s, and was later revised and supplemented....[Details]
As a flow measurement instrument with a very wide range of applications, the intelligent electromagnetic flowmeter has played a very important role in many production industries. As long as the flow ...[Details]
The Wien bridge sine oscillator circuit uses the junction field effect tube 2N5457 as the variable resistor of the amplifier feedback circuit, which will produce a slight distortion, and the constant...[Details]
On December 2, Weiteng Electric released a plan for a private placement. The company plans to issue no more than 39 million shares to no more than 35 specific objects that meet the requirements of law...[Details]
Addition and carry flags When adding two unsigned integers, the carry flag is a copy of the carry-out from the most significant bit of the destination operand. If the sum exceeds the storage size of ...[Details]
With NXP releasing the LPC1700 series of MCUs with Cortex-M3 cores, the competition around ARM's new favorite Cortex core has become fierce.
Currently, the number of authorized customers of the C...[Details]
FM audio transmitter circuit diagram (I)
This is the circuit diagram of FM microphone to speak in the microphone and hear your voice on FM receiver. This circuit contains microphone preamplifi...[Details]
According to Sina Technology, Nikkei today quoted multiple sources as saying that Chinese investors have abandoned plans to invest in Japanese display maker Japan Display Inc. (JDI). People familiar ...[Details]
This section will introduce the popular programming methods of AVR microcontrollers in detail and briefly describe their working principles, aiming to allow AVR enthusiasts to choose or make approp...[Details]
Some time ago, I studied how to use busybox to compile and generate the simplest Linux root file system (rootfs), and use the NFS network file system to mount and start it on the mini2440 development...[Details]
Fault phenomenon The instrument cannot be turned on Testing process After testing, it was found that the main control board of the instrument was damaged, the power supply was burned out, the auxil...[Details]
The microcontroller can not only be used to measure temperature, but also to measure non-electrical signals such as air pressure, which requires the use of air pressure sensors. The principle of the a...[Details]
I have seen some netizens raise the issue of code protection before. I don’t want others to use the program I worked hard to write!
It just so happened that a project was completed some time ago. Whe...[Details]
Not surprisingly, Unisoc became a real dark horse. Just on May 29, UNISOC released its long-awaited blockbuster "bomb" - Ivy 5882, which supports Bluetooth 5.0, ultra-low power consumption, ultra-low...[Details]
The first step of autonomous driving is positioning. Knowing where you are can guide the route planning and control the car. Currently, cars mainly use GPS navigation. Since GPS is not very accurat...[Details]
Analog electronics
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