This article explains how to use the human body sensing module HC SR505. We use an LED to indicate whether a person has walked into the sensor. When a person walks in, the LED indicator lights up, and...
Preface: VScode is already available on the computer, and ESP32 development is perfectly supported on VScode. Next, use VScode to install the esp32 development environment.VSCode official website addr...
Several states of microcontroller IO port output1. What are the differences between the open-drain output and open-drain multiplexed output of a microcontroller?2. What are the differences between the...
[i=s]This post was last edited by freeelectron on 2019-10-14 17:15[/i]You can replace it with sensors, NBIOT, WIFI development boards, etc. If you like it, please contact us.
The above are all officia...
A long time ago, when I was still using Turbo C 2.0 to write programs, I saw setjmp() and longjmp() functions when browsing library functions in the help function, but I never understood what they wer...
The market for microelectronic devices is growing at an unprecedented rate. After the era of discrete semiconductors, integrated circuits are now used to produce smaller and smaller portable electr...[Details]
Among the batch of models that will be launched at the end of 2023, the Wenjie New M7, Lideal MEGA, Xiaopeng X9, Zhijie S7 and Jikrypton 007 are the most typical. Most of them are equipped with a lid...[Details]
(February 27, 2024, Shanghai, China) Recently, Rockwell Automation, one of the world's leading companies in industrial automation, informatization and digital transformation, signed an agreement with...[Details]
Reference designs have always been regarded as the best teachers from which you can develop your designs faster and are widely praised. For those of us with gray hair, we will complain that today's e...[Details]
There are power chips on every circuit board, no matter it is a linear power chip or a switching power chip, they all have losses. Generally speaking, the loss of a switching power chip is much sma...[Details]
Imagine a truck that emits only water vapor, generates its own electricity on board, and has a range of up to 1,000 kilometers. A fuel cell powered by hydrogen could do this, and Volvo Trucks has alr...[Details]
Silicon Labs announces new Bluetooth SoC for extremely small devices Lura Health uses BG27 SoC to create a sensor smaller than a tooth to collect saliva data Beijing, China - March 15, 2023 - Si...[Details]
According to foreign media reports, researchers have developed a machine learning algorithm that can predict how different driving patterns affect battery performance, helping to reduce charging time...[Details]
Advantages and disadvantages of machine vision
Advantages of machine vision:
Efficiency: Machine vision can quickly acquire, process and analyze large amounts of image and video data, the...[Details]
With the popularity of electric vehicles, lithium batteries have also become the focus of everyone's attention. Lithium batteries are different from nickel-cadmium and nickel-metal hydride batteries...[Details]
In July this year, Japan imposed export control measures on South Korean semiconductor raw materials. After that, the relationship between Japan and South Korea fell into a state of tension. However,...[Details]
In addition to EUV lithography machines, the EUV lithography process also requires matching EUV photoresist. Currently, this market is mainly monopolized by Japanese manufacturers. Now Samsung and Ko...[Details]
On September 13, we learned from the official that Geely 's Weirui Energy officially released the 600kW supercharging technology, which is expected to increase the range by 300km after charging for 5...[Details]
3 Signal Transmission
How to safely and reliably transmit sensor signals to the host computer or server after they are collected by the equipment? This problem is becoming increasingly importan...[Details]
On November 10, security company Trend Micro recently discovered that the CMU (Connect Connectivity Master Unit) system of many models of Japanese automaker Mazda has multiple high-risk vulnerabili...[Details]