[i=s]This post was last edited by 54chenjq on 2020-2-27 00:24[/i]TI's red boards are all pretty. Here are some pictures to show you.
The light pointed by the yellow arrow will be used to demonstrate t...
In the past, most of the so-called open source hardware were drawn with Eagle, so I learned Eagle. Now there seems to be a trend of migrating to KiCAD. Let me share a stepper motor controller I saw re...
[i=s]This post was last edited by Beifang on 2021-8-13 11:10[/i]1. There is a relatively standard model for developing programs in rtthread, which is to use rt-thread setting. This standard setting is...
This is a single-key bistable circuit I bought from Taobao. After copying it, I found that it can only be monostable. Q12 will output when power is turned on. What's the problem?...
On August 24, the Shenzhen Stock Exchange announced that the convertible bond application of Hangzhou Jizhi Mechanical & Electrical Co., Ltd. (hereinafter referred to as "Jizhi Shares") was approve...[Details]
High-power high-frequency electroplating power supply is actually a low-voltage and high-current rectifier device, which usually adopts PWMDC-DC phase-shifted full-bridge converter topology. Since th...[Details]
This program mainly uses the comparison output function of the timer to generate PWM waves to control the LED. The comparison output of timer A corresponds to P2.3 P2.4. Therefore, a matching working...[Details]
In May this year, the United States put its hostility towards Huawei on paper, but in the past three months, Huawei has never seemed to say "release me from the Entity List". More often, some America...[Details]
Recently, the first energy storage battery PACK production line of the Equipment Group was completed and put into production, indicating that the Equipment Group has achieved independent production...[Details]
How to choose a suitable micro inverter - DC line
“DC line connector” VS “board-side connector”
Micro inverters have developed rapidly in the world in recent years, thanks to the ...[Details]
Recently, the Pan-Smart Screen BU of TCL Electronics Holdings Co., Ltd. (hereinafter referred to as "TCL Electronics") and Mosing Semiconductor jointly established the "Semiconductor Technology Joint...[Details]
The interrupt handling in S3C2440 is ultimately implemented through IRQ. The IRQ exception handling process has been introduced in the brief analysis of the Linux driver exception handling architec...[Details]
For hexagonal nuts, the commonly used standards are: GB52, GB6170, GB6172 and DIN934. The main differences between them are: GB6170 is thicker than GB52, GB6172 and DIN934, commonly known as thick ...[Details]
Life test
1. Concept
Components, subsystems or systems are usually tested under the conditions of their expected/specified life. These conditions may include combinations of time, tempera...[Details]
Fiber optic interface type
Fiber optic connector
FC round with thread (mostly used on patch panels)
ST snap-on round type
SC snap-on square type (mostly used on routers and sw...[Details]
1. Introduction The STC15W401AS series MCU is a MCU produced by STC with a machine cycle (1T). It is a new generation of 8051 MCU with wide voltage/high reliability/low power consumption/super anti-i...[Details]
On October 12, Mr. Du Xiangwan, former vice president of the Chinese Academy of Engineering, academician of the Chinese Academy of Engineering, deputy director of the National Energy Advisory Exper...[Details]
After the embedded hardware system is designed, it needs to be debugged. Whether it is hardware debugging, software debugging or program solidification, debugging simulation tools are required.
...[Details]
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