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...
After half a year of silence, both industry insiders and consumers are eager to change the environment and go out for a walk. It is the perfect place to watch a technology feast at the Shenzhen Conve...[Details]
The latest research report released by Strategy Analytics Powertrain, Body, Safety & Chassis Services (PBCS) "The Rise of Automotive Domain Controllers: When, Where and How?" points out that the pene...[Details]
Not long ago, Panasonic launched a new standard zoom lens, the Panasonic LEICA DG VARIO-SUMMILUX 10-25mm / F1.7 ASPH. This lens can present a beautiful defocus effect and is very expressive. This is ...[Details]
Apple has partnered with TSMC to develop ultra-advanced display technology, Nikkei Asia reported on Wednesday. (Reuters) - Companies are collaborating to develop ultra-advanced display technology in ...[Details]
This year's iPhone XS and iPhone XS Max have added IP68 waterproof and dustproof functions, which means that the phone can stay in 1 meter of water for up to 30 minutes. However, some domestic users ...[Details]
1. Reasons affecting the high output voltage of the switching power supply ⑴ The models with voltage doubler rectification in the transmitter may work in voltage doubler rectification state inco...[Details]
Mitsubishi PLC (Programmable Logic Controller) is a control device widely used in the field of industrial automation. In Mitsubishi PLC, auxiliary relays (M relays for short) are a very important c...[Details]
At present, the price of A/D converters is becoming more and more expensive as the speed and accuracy increase, which brings difficulties to practical applications. However, in some cases, the meas...[Details]
This section describes the instruction execution and memory access timing. The AVR CPU is driven by the system clock clkCPU. This clock is directly generated by an external crystal. There is no clock...[Details]
June 18, 2021, Qingdao - Today, the GCVC Global Artificial Intelligence Vision Industry and Technology Conference with the theme of " AI New Potential, Smart Innovation Future " was held in Qingdao. ...[Details]
Motorola revived its iconic Razr flip phone last year, and now the company is said to be working on launching an upgraded sequel in North America as early as September this year. According to a...[Details]
I. Introduction
After the SARS epidemic in 2003, the issue of medical waste disposal has attracted much attention from the society. In order to manage medical waste well, the Ministry of Healt...[Details]
In the past, car airbags were installed inside the car. TRW Automotive Safety Technologies is developing an external airbag that is installed on the side of the car. It uses cameras and radar ...[Details]
1 Introduction The continuous improvement of the technical level of vehicle electronic equipment has become one of the important signs of the development of modern automobiles, and vehicle navigation...[Details]
A multimeter is a commonly used measurement tool that can be used to measure parameters such as voltage, current, and resistance. However, for the measurement of temperature sensors, a multimeter m...[Details]