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Preface
LEDs can be divided into two types: the LED component is fixed on two parallel wires, coated with resin and sealed into a shell shape, and the LED component is directly fixed on a printed w...[Details]
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Official regulatory agencies in Italy, France, Belgium, Luxembourg and the Netherlands have recently certified Enphase’s PV microinverter devices, which meet the requirements of the Italian ENEL gu...[Details]
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1. EG3
is a website about embedded development, providing a lot of information about embedded development. Including development companies, technical documents, free resources, etc. The layout includ...[Details]
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On February 28, the State Grid Shaanxi-Hubei ±800 kV UHV DC Project (referred to as the "Shaanxi-Hubei Project") was held in Beijing for the start of the mobilization meeting. Mao Weiming, Chairman...[Details]
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The national standard stipulates that three-phase asynchronous motors are not allowed to be started directly in the following two situations:
① Rated capacity greater than 7.5kW;
②When po...[Details]
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Recently, Huawei's self-developed operating system Hongmeng has been making headlines. In fact, in addition to leading in communications fields such as 5G and smartphones, Huawei will also launch ...[Details]
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Sony Electronics Inc. today announced the launch of its new in-car AV media receiver, the XAV-AX3200, which features powerful audio and smart connectivity to enhance the in-car entertainment experi...[Details]
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uC/OSII transplantation steps
1. μC/OS-Ⅱ Overview
Most of the work of porting μC/OS-Ⅱ to a specific processor is focused on the implementation of multi-task switching. This part of the code is ma...[Details]
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Detection of fixed resistors Connect two test leads (regardless of positive and negative) to the two end pins A09-103G of the resistor to measure the actual resistance value. In order to impr...[Details]
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1 Schematic From the schematic diagram, we can see that the three LEDs are controlled by GPF4, GPF5 and GPF6 respectively. 2 Register Description GPF4, GPF5 and GPF6 can be used as input, output, ...[Details]
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introduction A/D converters are often used in the design of intelligent instruments. Among the commonly used A/D converters, 7135 is the most widely used. It has 41/2-bit A/D conversion accuracy, str...[Details]
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Note: The following content is learned from the first video tutorial of ARM bare metal by teacher Wei Dongshan 1. Introduction to 2440 clock 1.1 2440 is a SOC (system on chip) system, which not only ...[Details]
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Back in 2018, all cars, SUVs, trucks and vans in the U.S. were required to have rearview vision systems. In fact, until recently, rearview cameras were the only cameras on many models and were cons...[Details]
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With the continuous development of flash memory technology, flash memory cards (such as SD cards, MMC cards, etc.) have been increasingly widely used in the field of embedded storage due to their s...[Details]
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Well-known whistleblower Roland Quandt released a screenshot of the e-sports mode of the Nubia Red Magic 3. According to the pictures he exposed, the screen refresh rate of the Nubia Red Magic 3 is 9...[Details]
Analogue and Mixed Signal
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