[i=s]This post was last edited by oxygen_sh on 2022-3-17 19:54[/i]I am going to use the National Technology M4 development board to make a three-phase motor control application. I searched the box and...
When applying AR1021X modular integration, some applications need to use modules as soft AP, which involves the hostapd configuration problem. If the configuration is not good, there will be no SSID h...
Problem description:For most chips, there is usually a soft start pin in the chip's function pins. Its function is to slowly increase the output voltage to the set value and reduce the inrush at the s...
1. I recently encountered this problem when adjusting the board: the board functions normally when the emulator is plugged in and running online, but some functions of the board are abnormal when it i...
We often come into contact with crystal triodes and are familiar with their use. Relatively speaking, we are a little unfamiliar with crystal field effect tubes. However, due to the unique advantages ...
1. High frequency resistor
The most common circuit element in low-frequency electronics is the resistor, which is used to reduce voltage by converting some electrical energy into heat. The high-freque...
Jiwei.com reported on January 19 that Honor Mobile's official Weibo account revealed yesterday the features of the Honor V40, which will be released on the 22nd of this month, namely, the GPU Turbo X...[Details]
Using traditional mercury or alcohol thermometers to measure temperature not only takes a long time to measure, is inconvenient to read, but also has a single function, which can no longer meet peo...[Details]
The project needs to write the STM32 bootloader. In fact, the main matters of writing the bootloader are as follows: 1. Select the memory address for your bootloader program, because the STM32 memory...[Details]
The function of USART_Cmd is to enable or disable the USART serial port peripheral. Example: Enable USART1 USART_Cmd(USART1,ENABLE); The function of USART_ITConfig is to enable or disable the s...[Details]
Contents The invention relates to a gas measuring device, in particular to a wafer-type cone tube flowmeter for petroleum and natural gas. Background of the Invention In the oil and gas extraction ...[Details]
The 89C51 chip does not have its own PWM generator. If you want to use 51 to generate PWM waves, you must use software programming to simulate. The methods can be roughly divided into two methods: so...[Details]
Suiyuan Technology, which focuses on cloud computing platforms in the field of artificial intelligence, announced the completion of a RMB 700 million Series B financing round, led by semiconductor in...[Details]
Last year, Xiaomi released the new Xiaomi 10 series equipped with the Snapdragon 865 chip. For the first time, it was equipped with high-specification configurations such as top-level screens a...[Details]
Huawei was founded in Shenzhen in 1987 as a small sales agent. By 2018, its annual global sales revenue exceeded US$100 billion for the first time. In 2018, the global shipments of Huawei mobile phon...[Details]
1. Explanation of STM32 low power mode Some devices, such as wearable devices, have very high requirements for power consumption. For example, a watch needs to run normally when I check the time ...[Details]
Valens , a developer of high-speed in-vehicle connectivity systems, has launched a series of new chipsets that can increase in-vehicle connectivity speeds to 8 Gbps. The company said its VA7000 autom...[Details]
First, let's talk about the differences and connections between ISP and IAP of stm32. ISP (In-System Programming) means that blank devices on the circuit board can be programmed with end-user code wi...[Details]
Contents The present invention relates to vibrating flow meters, and more particularly, to methods and apparatus for determining changes in zero offset of a vibrating flow meter. Background of the ...[Details]
Background
As the size of portable and non-portable products decreases, the size of the printed circuit board (PCB) needs to decrease accordingly. Single-sided boards have given way t...[Details]
From the application perspective, the basic properties of PTC materials are usually divided into: resistance-temperature characteristics, volt-ampere characteristics, current-time characteris...[Details]
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