Phase 1 - Test environment operation and maintenance
Learn the basic operations and command applications of the Linux operating system, use Shell scripts to write basic Shell programs in the Linux sys...
Today’s smart home products are often complex to operate, insecure, and often incompatible. Users buy a device and find that different brands of devices don’t talk to each other. Sometimes the setup i...
The English of the manual "um2861-stm32u5-nucleo144-board-mb1549-stmicroelectronics.pdf" is a bit difficult to read, so I used a machine translation here. The combination of Chinese and English may be...
This time the example is to create a program that makes two LEDs flash, with different flashing times. How can we pass different parameters into the same program to achieve the function?
First write a...
# Sipeed BL808 all-round board - unboxing BL808 has a very high integration level, including multi-core MCU, NPU, USB, MIPI CSI, USB 2.0, internal 64M DRAM, WiFi/BT/BLE/Zigbee. The integration level i...
Author: Sun Xiaobing, member of Mr. Expressway, Yibo TechnologyWe all know that in an ideal state, the impedance of a capacitor decreases gradually with increasing frequency. However, in actual use, d...
Since the power frequency upgrade machine for surgery requires an automatic leveling function, I started to work on this aspect. The hardware selected is an incremental encoder with 100 pulses per r...[Details]
1. The smart home industry has a promising future Shortly after the beginning of 2014, the smart home industry had a bombshell news: on January 14, Beijing time, Google announced that it would acquir...[Details]
In addition to the upcoming third-generation AirPods, Apple is reportedly planning to add a new Hi-Fi (High Fidelity) tier to the Apple Music streaming service, which will mainly provide high-resolut...[Details]
According to AppleInsider, hardware supplier One-E-Way recently filed a lawsuit in the U.S. District Court for the Central District of California, accusing Apple and Beats of infringing its wireless ...[Details]
/*
Program effect: Use the interrupt of 51 MCU to scan the keyboard. Press the key, the buzzer sounds, and the corresponding key value
is displayed on the digital tube. Press the E key to t...[Details]
Recently, there are several speakers on the market that claim to be monitor-level speakers. So what exactly are monitor speakers? What is the difference between them and ordinary speakers? Let's talk ...[Details]
The car "burned naturally" while it was parked and charging. Can acupuncture solve the urgent problem? Why are pure electric vehicles so popular? They often smoke, catch fire or even explode? In ...[Details]
This Design Idea shows a method to drive low-power electronic circuits from a single 1.5V battery. It is based on a self-excited oscillator design that drives a flyback transformer to generate a hig...[Details]
Operator Vodafone has revealed that it is using phone boxes across the UK to boost the performance and reliability of 4G connections, reports Neowin. In Bournemouth, London, Reading and Winches...[Details]
The earliest inventor of the oscilloscope was Karl Ferdinand Braun (June 6, 1850 - April 20, 1918), a German physicist, Nobel Prize winner in Physics, and inventor of the cathode ray tube. In 1873, h...[Details]
Using a combination of hardware and software to reduce the BLDC motor inverter sleep mode power consumption to less than 10mW, and expand the output power to 1 horsepower applications
...[Details]
What do inverter power frequency and high frequency mean?
The "power frequency" and "high frequency" of the inverter refer to the frequency range of the alternating current on which the invert...[Details]
§01 Generate ATmega8 execution program using Arduino The development of the program is completed based on Scratch of Arduino IDE. With the help of more and more software packages accumulated in thi...[Details]
1 Introduction
With the emergence of digital signal processors such as DSP, digital control of power electronic circuits has made great progress. Digital processors can instantly read the ...[Details]
01
Information security requirements
This chapter mainly introduces the information security requirements from four aspects: hardware security, system security, communication security, an...[Details]