[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 ...
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...
The 0-10V analog signal is converted into a modulated signal by the APC chip GP9301M, and then transmitted to the PAC chip GP8101M after passing through the isolation capacitor. The GP8101M demodulate...
IntroductionThe HPM6700/6400 series MCU is a high-performance real-time RISC-V microcontroller from Shanghai Xianji Semiconductor Technology Co., Ltd., which provides great computing power, efficient ...
RISC-V is an open source instruction set architecture (ISA) based on the Reduced Instruction Set (RISC). It is a completely open instruction set that can be freely used by academic institutions or com...
introduction
There is a cable joint approximately every 300 meters of high-voltage power supply cables in cities. In many cases, in order to reduce the difficulty of technology and constru...[Details]
In the circuit, the thyristor SCR and R3 form a protection circuit. When the current flowing through the LED is greater than the set value, the SCR conducts at a certain angle, thereby shunti...[Details]
51 MCU parallel GPIO, divided into
Single quasi-bidirectional port
Multi-function multiplexed quasi-bidirectional port
Address bus output quasi-bidirectional port
...[Details]
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Program effect: The digital tube displays the input, and the digital tube displays incrementally, just like
entering a number when making a phone call. At the same time, the buzzer emi...[Details]
The world-renowned whisky brand Old Kempton Distillery (OKD) is located in the small town of Kempton in Tasmania, Australia. OKD whisky has always been produced, distilled, aged and bottled locally a...[Details]
When using a multimeter, for safety reasons, there are a few points to note!
1. Hold the test pen when measuring.
2. When measuring large current and voltage, do not change the func...[Details]
/*------------------------------------------------- Function: Connect the serial port to the computer, download the program, turn on the power Open the serial port debugging assistant ...[Details]
Linear regulators have long been widely used in the industry. Before switch-mode power supplies became mainstream after the 1960s, linear regulators were the foundation of the power supply industry...[Details]
According to the latest report from SEMI, global original equipment manufacturers' semiconductor manufacturing equipment will hit a new high next year, expected to exceed US$100 billion. This is a ne...[Details]
With the progress of science and technology and the advent of the 3G era, high-performance PDA products are becoming more and more popular as electronic consumer products. The embedded real-time op...[Details]
example 1. Fault phenomenon: The battery of a DT890 digital multimeter is consumed very quickly, and a new battery will run out of power within a few days. Analysis and maintenance: The battery...[Details]
ASUS recently announced organizational adjustments. The biggest change is that the PC business group will be merged into the ROG e-sports department and reorganized into the consumer products departm...[Details]
BH1415F FM station control C program uses keil C51 to debug //Use AT89C52 microcontroller, 12MHz crystal oscillator, and common anode four-digit LED digital tube //P0 port outputs segment code, P2 ...[Details]
The MT4 infrared spot thermometer series of non-contact thermometers are small enough to fit in your pocket; and easy to use. All you have to do is aim at the target, pull the trigger, and get a temp...[Details]
Recently, at a busy energy storage power station construction site, the 2.5MW liquid-cooled energy storage inverter innovatively launched by Kehua Digital Energy is being installed in an orderly ma...[Details]
MicroPython Open Source section
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