Below is my single-chip car ultrasonic ranging alarm system program. Now it is required that when the distance drops to 25 cm, the buzzer alarm frequency becomes higher. How should I modify the progra...
Is this warning built into F7 or added in MX1.3? (I remember it didn't appear when I was working on L4 before) As shown in the picture, this warning is asking me to change the systick in SYS to TIM?...
Our company is a headhunting company in Shanghai, and we have cooperation with many IT companies in Shanghai. We hope that IT talents from all over the country can contact us. If you are not satisfied...
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
"Have you set your calendar reminder?"
On August 24, Nvidia Robotics' official account posted a photo of a black gift box on a social media platform, with an attached greeting card sig...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
There are basically three causes of spontaneous combustion of electric vehicles: The first is that the battery components are punctured or suffer fatal damage due to a collision accident, and part ...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
Tools/Materials
Yitong Chuanglian MODBUS to PROFIBUS Gateway YT-PB-03
Siemens s7-300
This article describes how to configure the YT-PB-03 MODBUS to PROFIBUS gat...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
In this final installment of a five-part blog series, I will discuss noise in op amps driving headphone loads and some techniques for reducing it. Previous posts have discussed headphone load power...[Details]
Reasons for the wear of the roller press reducer shaft:
1. Since the expansion sleeve is subjected to a large torque, the mating surfaces of the shaft and the sleeve move relative to each other...[Details]
The intelligent
dust monitoring system intelligently monitors dust concentrations at and around construction sites. All concentration values are transmitted to a cloud server for
cloud co...[Details]
The primary control objective in this case is the display and alarming of data parameters on the Xinheng control scale instrument. The system's main PLC uses a Siemens CPU, and data is collected vi...[Details]
DIY/Open Source Hardware
京公网安备 11010802033920号
EEWORLD
