[i=s]This post was last edited by dcexpert on 2019-10-14 09:14[/i]In CircuitPython, I2C, SPI, UART and other functions are provided by the busio module, so you need to import busio before you can use ...
I wrote a program for CPLD to drive HT1621 and defined a function. But there is a warning when compiling. Warning (10241): Verilog HDL Function Declaration warning at ht1621.v(530): function "HT1621_C...
Recently I saw this calculation method #include in a post about C languageint dayofweek(int y, int m, int d) { static int t[]={0,3,2,5,0,3,5,1,4,6,2,4}; y -= m 3; return (y + y/4 - y/100 + y/400 + t[m...
I am engaged in Windows Mobile development, and now accept Windows Mobile and CE embedded development projects. If you are interested, please send an email to vc_topz@163.com...
Dear teachers,I drew a four-layer board and laid copper, and the following two problems occurred. Can you give me a solution?
1 For the same GND network, some boxes have no copper, while others can in...
When adjusting the system time through SetLocalTime&GetLocalTime, how is it implemented at the bottom layer? Is it calling OEMSetRealTime and OEMGetRealTime? ? However, I added the corresponding debug...
The intelligent driving community has its own rhythm. Some are busy pushing new versions and focusing on R&D, others are busy with publicity and promotion, and still others are immersed in mass pro...[Details]
New energy vehicles are increasingly popular with consumers due to policies and energy conservation. Once you've purchased your vehicle, maintenance is essential. However, due to the different powe...[Details]
On August 20th, Tiantai Robotics Co., Ltd., along with strategic partners including Shandong Future Robotics Technology Co., Ltd., Shandong Future Data Technology Co., Ltd., and Gangzai Robotics Gr...[Details]
The digital TV set-top box consists of a tuner, QAM demodulator, TS demultiplexer, MPEG-2 decoder, PAUNTSC video encoder, embedded CPU system and peripheral interfaces, CA module, and uplink data m...[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]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[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]
Charging is an essential topic for electric vehicles. Batteries are a core component of new energy vehicles. So, what's the optimal charge level for electric vehicles? Based on current battery tech...[Details]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
The composition of the water heater
The water heater itself is divided into the following parts:
1. Water tank.
This is where the water heater is filled with water and where the wate...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[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]
Let’s first take a look at the development concept of the EVD series.
The EVD control module is specially developed for operation in extreme environments. Components that meet these requiremen...[Details]
MicroPython Open Source section
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