I would like to ask about the VCE saturation voltage drop protection and current protection of the A316J optocoupler. Are the output levels of the fault pins the same?...
It has been a long time since my last post. I have been busy with work so I have slowed down my study progress. I will try to share my study status and experience in more detail in the future.
I bough...
Huawei has once again received good news. The number of users who have upgraded to the HarmonyOS system has exceeded 90 million. According to Huawei's previous goal, Huawei will upgrade 200 million de...
The machine is almost new and has never been used. However, we cannot guarantee the normal use of the machine. If it goes bankrupt, there will definitely be no APP. It can be used by electronics enthu...
Xinchi D9 processor is a car-grade industrial application chip that integrates 4xARM Cortex-A55 high-performance CPU and 2xARM Cortex-R5 DCLS real-time CPU, including 3D GPU and H.264 video codec. In...[Details]
1 Overview The I/O port of a microcontroller is a channel for input and output signals. The 8051 microcontroller has four groups of I/O ports: P0, P1, P2, and P3, and each group of ports has ...[Details]
In actual production and life, it is often necessary to detect the continuity of the circuit. The common method is to use the resistance range of a multimeter for detection, which is simple and practi...[Details]
The project needs to add IAP function. STM32F103 is also a Cortex M core like Nordic 51822, but one is M0 and the other is M3. So I think the upgrade principle is roughly to divide the Flash into dif...[Details]
Negative resistance amplifier, except in some special occasions, the first one to be used in audio and succeeded was YAMAHA. Its main function is to improve the extension of low frequency, but it will...[Details]
January is a very important month for Tesla's Shanghai Super Factory. Production of the China-made Model 3 is finally ramping up after a trial run in 2019. Reports indicate that even with the Lunar...[Details]
2.3WINCC Configuration WINCC configuration first creates variables. Since it does not need to be connected to the PLC, only internal variables need to be created. The other is the configuration scr...[Details]
According to foreign media reports, the latest research from market research firm Counterpoint shows that by the end of 2020, the sales volume of smartphones equipped with AMOLED panels will exceed 6...[Details]
Single-chip microcomputer is a very practical course (it is half software and half hardware), so it is necessary to combine theory with practice. 1. What is a single-c...[Details]
The timer function of stm32 is very powerful, including basic timer, general timer and advanced timer. This chapter introduces the basic application of timer, and controls the LED flashing through ti...[Details]
Electronic oscilloscopes are the most popular tools for measuring electrical signals. Currently, the real-time bandwidth of digital storage oscilloscopes exceeds 10GHz, and the equivalent bandwidth...[Details]
Put a monitor over a person's eyes, and wherever the person looks, the scenery in the corresponding direction will be shown on the monitor, making people feel like they are in an infinite virtual s...[Details]
(2) Create the at24cxx.c file and enter the following code. /****************************************************** *************************************************** ****** EEPROM...[Details]
introduction
In the construction industry, evaluating wall cracks and ground cracks is an important indicator for evaluating the quality of a house. An embedded system device is generally comp...[Details]
Analog electronics
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