[i=s]This post was last edited by dsjsjf on 2019-3-1 11:16[/i] [url=https://en.eeworld.com/bbs/elecplay/content/103]The development board ST NUCLEO-H743ZI evaluated in this event is provided by STMicr...
What is the relationship between the speed ratio of the reduction mechanism and the lever ratio? What is the relationship between the force of the first gear and the last gear?For example, in the figu...
The software uses ADC (ESP-12) to read the voltage and it reads 1V, but when it is measured with an ammeter or oscilloscope, it is only 0.5V. At this time, the voltage read by ADC will also become 0.5...
The BlueNRG-LP Bluetooth Low Energy wireless system-on-chip is an ultra-low power, programmable solution with a 2.4GHz advanced RF radio IP for ultra-low latency applications. The BlueNRG-LP SoC compl...
The Qianjiang Feilihua integrated circuit and optics high-purity synthetic quartz material project was originally scheduled to be completed on August 10. Now, after accelerated work, it is expected t...[Details]
Coaxial cable
A hard copper wire is used as the core and is covered with a layer of insulating material. This insulating material is surrounded by a densely woven mesh conductor, which is c...[Details]
As an important support and follow-up industry for the moisture-proof cabinet (also called moisture-proof box, drying box, drying cabinet) industry, the LED packaging industry is closely watched by...[Details]
1 Introduction
High-voltage and ultra-high-voltage overhead power lines are the main means of long-distance power transmission and distribution. To ensure the reliability of power supply, powe...[Details]
TDR, or time-domain reflectometer, can measure the length of a wire by observing the waveform of the electrical signal reflected from the wire, or analyze and evaluate the impedance characteristics o...[Details]
In the past two years, with the gradual commissioning of high-generation LCD panel production lines in China, panel production capacity has been in oversupply, resulting in a continuous decline in pa...[Details]
1 Overview
The matrix converter is a forced commutation AC-AC converter. It consists of 9 controllable bidirectional switches. It uses PWM control to directly convert the AC power ...[Details]
Summary: 84% of CEOs and chief sustainability officers believe that the chief technology officer may become an important driving force in promoting sustainable development within the organization. ...[Details]
Zhou Ming, technical director of Hangzhou Zhongwei Optoelectronic Technology Co., Ltd., analyzed the demand and standardization status of domestic LED packaging manufacturers for automatic testing ...[Details]
1. Selection of broadcast speakers
In principle, different types and specifications of broadcasting speakers should be selected according to the environment. For example, in a room with a ...[Details]
The electric vehicle charging infrastructure is in the process of rapid development, and charging solution providers and charging station operators must conduct detailed testing and verification of...[Details]
This topic is currently mainly discussed for learners of microcontrollers, and may be expanded to more fields in the future.
I often encounter questions like this: "When I am studying, it seems tha...[Details]
The difference between inductive and non-inductive brushless DC motors
What is feeling?
The "sensor" in the sensed brushless motor refers to the "Hall sensor", so wh...[Details]
1. Unsafe operation: floating measurement Some engineers have a habit of disconnecting the protective ground of the power plug when measuring high-voltage signals, and using ordinary passive probes t...[Details]
Today’s wireless connectivity architecture in commercial vehicles may be suitable for standard Level 2 of autonomous driving. However it remains questionable whether it can meet the performance req...[Details]
stm32/stm8
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