Different from traditional door locks, smart door locks are locks that have been launched in the domestic market in recent years. They are more intelligent and simple in terms of user security, identi...
1. Environment Construction GD32E231 needs keil5.25 or above to support. The old version of the compiler does not support the latest M23 kernel. Install the GD32E231 support package.2. DEMO test simul...
When installing Ubuntu or Debian, it is recommended to use EMMC storage as it has a large capacity. 1. Download the debian system and modify related configurations a. Download the system wget -c [url]...
CC13/26XX is TI's new generation of ultra-low power multi-protocol SOC processors that support Sub1G, 2.4G private protocols, BLE, Zigbee, RF4CE and 6LowPan.CC2640 is a BLE low-power Bluetooth chip, a...
Input Mode (1) Floating input: When there is no external voltage input, the voltage is uncertain. (2) Pull-up input: When there is no external voltage input, the IO port is connected to the high ...[Details]
According to businesskorea, Cheng Weihua, chief technology officer of Yangtze Memory Technologies Co., Ltd., said in a recent media interview that the company will mass-produce 64-layer 3D NAND flash...[Details]
The first is the "invert" setting. You can open the channel menu by pressing the channel control soft key. The invert setting of the ZDS2022 oscilloscope is OFF by default. You can press the invert...[Details]
For all mid-range PIC microcontrollers, when the top 4 pins (RB7~RB4) of PORTB are set to input mode, when the input level changes from high to low or from low to high, the microcontroller can ge...[Details]
1. Determination of STM32 ADC sampling frequency
First, let’s look at some information to determine the STM32 ADC clock:
(1) The ADCCLK clock provided by the clock controller is synchronized with PC...[Details]
With the rapid development of technology, mobile phones that could only perform simple communications have become smartphones with rich functions; home appliances have also transformed into smart hom...[Details]
hint: . Usually, the activity of an implanted pacemaker alone cannot be seen on a normal ECG because very fast pulses are filtered out. However, a person familiar with pacing therapy can ide...[Details]
Yangzhou's position as the center of the national solar photovoltaic industry has been further highlighted. From the 1st to the 5th, after on-site review by IEC (International Electrotechnical Commiss...[Details]
1. Introduction In recent years, wireless radio frequency identification technology has been increasingly valued by various countries. With the increasing demand for radio frequency identification te...[Details]
1. Current quick-break protection
1. Principle and application
Small-capacity motors widely use current quick-break protection as the main protection for phase-to-phase short circuit. The...[Details]
The hydrogen sulfide gas detector is mainly composed of electrochemical sensors, electronic components and display parts. The sensor converts the hydrogen sulfide gas in the environment into an elect...[Details]
Vietnam’s smartphone market shipments plunged 28% year-on-year in the third quarter of 2021, mainly due to the COVID-19 restrictions in cities, which led to labor shortages and store and mall closure...[Details]
Abstract: This paper introduces the software and hardware structure design of the indoor harmful gas monitoring system based on AT89C52 single-chip microcomputer. The advantages of mid-infrared lig...[Details]
ADI's ADP1650 is a small, efficient white light flash driver for high-pixel camera phones that improves the quality of pictures and videos in low-light environments. The device integrates a program...[Details]
Test/Measurement
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