1. Circuit parameters
1. Charging power source: If it is a USB power source, the rated voltage is 5V.
2. Determine the capacity and voltage parameters of the battery to be used. If you use 18650, you ...
Do you know what the reason is? My file name and directory are correct, but now it gives an error. I have been busy for a long time but still can't solve it....
It seems like earthquakes are happening everywhere. Sichuan just experienced a magnitude 6 earthquake, and Japan was hit by an earthquake and tsunami. The loudspeaker warning during the Sichuan earthq...
[align=center][b][GD32E231 DIY Contest] 06. Automatic Fish Feeding Robot - ADC/DMA/TIMER0/Serial Port [/b][/align] [align=left][b]Here, a photoresistor is used to monitor the light intensity around th...
[i=s]This post was last edited by wangerxian on 2022-6-1 13:31[/i]I recently used an MT3608 boost switch chip, but found that it could not be completely powered off. After the EN pin was pulled low, V...
With the development of speech recognition technology, development boards with speech recognition processing functions have gradually become more abundant. Currently, the development boards available ...
PLC stands for Programmable Logic Controller, which is an electronic device specially used for industrial automation. It can automatically control and monitor various equipment and production proce...[Details]
Editor's Note: Probes connect the input of an oscilloscope to the test points on the device under test (DUT). There are many types of probes, including: high impedance passive, low capacitance, singl...[Details]
An oscilloscope is an electronic measuring instrument with a wide range of uses. It can transform invisible electrical signals into visible images, making it easier for people to study the changing p...[Details]
According to Jiwei.com on April 21, according to the well-known digital blogger @长安数码君, the Honor 50 series of mobile phones will be released next month, and its rear camera style is in line with tha...[Details]
Jiwei.com News Overview of project progress in the integrated circuit field in February 2021: More than 22 projects were signed, involving 11 regions in 5 provinces, including the China Electronics T...[Details]
As one of the current battery types for electric vehicles , lithium iron phosphate batteries are characterized by relatively stable thermal stability, low production cost, long service life, etc. H...[Details]
1. Touch screen introduction The structure of the four-wire resistive screen is shown in the figure. It is a glass or acrylic substrate covered with two uniformly conductive ITO layers, which serve a...[Details]
There are thousands of parts in a car, and sometimes it is normal for some minor problems to occur. However, when the car has the following faults, you must not be careless. Breaking down halfway i...[Details]
Meizu announced today that it will officially hold the 2021 Spring New Product Release Week from March 1 to March 3. On March 1, the film "These Eighteen Years" premiered online; on March 2, the Flym...[Details]
/* Experiment 12: AVR internal door watch experiment. 1. Experiment of watching the door. Feed the dog periodically in the main program, and start the watchdog by pressing a button to make the pr...[Details]
In order to seize the high-end application markets such as automobiles and industries and grasp the huge business opportunities of 8-inch power components in the future, Qiangmao, which has previousl...[Details]
Keithley DMM7510 7.5-digit desktop multimeter is said to be comparable to 8.5-digit multimeters on the market in terms of performance and functions. In early September, an old customer in Shenzhen se...[Details]
On February 22, Ningbo Sunny Optical Electronics Co., Ltd. (hereinafter referred to as "Sunny Optical Electronics") opened at 13.86 yuan per share. As of the close, each share was reported at 16....[Details]
On the afternoon of January 23, Julun Intelligent answered questions from netizens on the Shenzhen Stock Exchange interactive platform, confirming that the company's RV reducer has entered the indu...[Details]