As shown in the figure above, it can be seen that ESP32 is connected to the network normally. The webtest.py code above comes from https://blog.csdn.net/qq_29338243/article/details/88695153 found afte...
Around 2016, I used a car-earning box that was directly plugged into the car's OBD interface. The main function is: the mobile app can read the car's daily driving trajectory and some of the car's ele...
LSM303AGR can measure magnetic fields up to ±50 gauss. The Earth's magnetic field strength is around 0.6 gauss.
In this way, the LSM303AGR can theoretically be used to measure the magnetic field of a ...
2.1.Hello World!Hello world is the beginning of all projects.
1) First, enter the hello world directory in the contiki source code:
cd contiki/exaples/hello-world2) Then you can compile it with the fo...
[size=4] There is a part of the circuit before the rectifier of the power circuit, which is composed of capacitors and inductors. [/size] [size=4]What is the role of using inductors before rectificati...
Recently, Poly, a leading global unified communications and collaboration company, announced that it has signed a long-term strategic partnership agreement with China Telecom Tianyi Cloud and Nanjing...[Details]
Beijing time on January 11th, Intel and Meta teamed up to develop a new method. If your computer configuration is an AX1690 Wi-Fi chip, you can connect the Oculus Quest headset directly to the gaming...[Details]
Recently, WaveComputing announced that MediaTek has signed a new Wave Computing MIPS core license agreement, with application areas including wireless communications, networking, automotive and AI ap...[Details]
· Bit 1 – IVSEL: Interrupt vector selection When IVSEL is "0", the interrupt vector is located at the starting address of the Flash memory; when IVSEL is "1", the interrupt vector is transferred to ...[Details]
The self- programmability of Flash
means that the Flash memory can be erased/programmed using the resident software or program in the Flash memory, but the storage area where the program code...[Details]
Looking back twenty years ago, friends all carried cassette players and perhaps ripped tapes to exchange music.
Looking back ten years ago, friends all carried CD players and perhaps bur...[Details]
When selecting an oscilloscope, engineers first need to determine the bandwidth required for the measurement. However, when the bandwidth of the oscilloscope is determined, it is the sampling ...[Details]
1 Introduction
When studying electronic courses such as "Electronic Circuits" and "Signal Processing", college students only understand the real signal characteristics in theory. They cannot r...[Details]
Xiao Shijie, Chairman and Party Secretary of State Grid Zhejiang Electric Power Co., Ltd.
The State Grid Corporation of China proposed at its 2019 mid-year work conference that it is necessary...[Details]
The float level gauge is designed and works according to the Archimedes buoyancy principle. It is widely used in the food, petrochemical, environmental protection and other industries. The working ...[Details]
The figure shows a constant current source application circuit composed of W7805 integrated voltage regulator. In the circuit shown in the figure, the integrated voltage regulator W7805 works in a su...[Details]
The development of the Internet of Vehicles is changing with each passing day. Voice control, face recognition, artificial intelligence, and other technologies that have been popularized in consumer ...[Details]
The CTC mode of timers 0 and 2 can generate a square wave with any frequency and a duty cycle of 50%. Fast PWM and phase correction PWM modes can generate square waves with arbitrary duty cycle. Howe...[Details]
Motor variable frequency starting and soft starting are two different starting methods. They have obvious differences in the control method, starting performance, energy consumption, etc. of the mo...[Details]
Analog electronics
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