How to connect a deviceOnce you have a Zigbee device, how do you connect it to the gateway? What are the issues you need to think about? And how to successfully connect it? Here are some summary recor...
[i=s]This post was last edited by eew_3sqZMg on 2021-1-28 17:32[/i]There is really no seven-segment digital tube experiment in Pengfeng's demo. Maybe the big guys didn't pay attention to this kind of ...
I would like to ask you, is it normal for the secondary output voltage ground of the flyback power supply to have a voltage of several tens of volts compared to the chassis? Is there any way to lower ...
A 4mm brushless motor is used in the design of a small robot. The main parameters are shown in the figure. The driver chips I have seen so far are all for motors of several watts. There is no similar ...
Organizing committees of each competition area and relevant colleges and universities:
The organizing committee of the National Undergraduate Electronic Design Competition (hereinafter referred to as ...
According to DigiTimes, Apple intends to use a much smaller Face ID sensor chip in iPhones and iPads starting later this year. Apple has reportedly chosen to reduce the size of the VCSEL chips used...[Details]
With the development of consumer electronics, the proportion of power consumed by various power supplies such as adapters in global energy consumption has increased dramatically, becoming a "big en...[Details]
On October 25, Wanrun Co., Ltd. released its third-quarter report stating that from July to September 2021, the company achieved operating income of 1.415 billion yuan, a year-on-year increase of 101...[Details]
There are many things to learn about ARM, and interrupts are definitely something that needs to be learned. Since the CPU introduced interrupts, we have truly entered the multi-tasking system and g...[Details]
A microcontroller is an integrated circuit chip. It uses ultra-large-scale integrated circuit technology to integrate a central processing unit (CPU) with data processing capabilities, random access ...[Details]
I have been studying microcontrollers for so long, and I feel that if I want to go deeper, I have to read assembly language, or at least understand the internal structure of the microcontroller. Be...[Details]
Continental Automotive held a technical test drive event "TechRide" for the news media in February 2010. It announced the next-generation ESC (side slip control) "MK100ESC" and a new safety sensor ...[Details]
Inverter harmonics are high-order harmonics generated in the input and output circuits during the inverter operation, when the input power needs to be inverted by high-power diode rectification (or...[Details]
For a long time, power supply enterprises need to grasp the load and working status data of substations distributed in different locations in real time, which is a problem that the power supply depart...[Details]
Each CITE's bold innovation and pursuit of excellence in organizing exhibitions has left a good reputation in the industry. Even in the context of the epidemic, CITE 2021 has become a benchmark for e...[Details]
There are also many key points for maintenance and testing in the circuit of the VCD machine. The oscilloscope is the most powerful tool for repairing VCD machine circuits. As long as the fault wav...[Details]
At the domestic Model 3 delivery ceremony held at Tesla's Shanghai Super Factory, Musk was so excited that people once thought he had drunk 2 kilograms of liquor before the press conference. In fact,...[Details]
Generators are divided into two types: synchronous and asynchronous generators. When the load power factor is relatively low, the capacitor in the external circuit can play a role in reactive power...[Details]
Today, Master Lu released the performance ranking of newly released mobile phones in July. Huawei Mate 20 5G version surpassed Asus ROG Gaming Phone 2 equipped with Snapdragon 855 Plus to top the lis...[Details]
Circuit Principle: The hysteresis oscillator composed of Q1, Q2 and U1 can be used to stabilize the lighting of the lamp. In operation, the full-wave bridge D3 can be used in both the AC line, or ...[Details]