[i=s]This post was last edited by WBYYPP on 2020-6-2 18:15[/i]I want to make a cervical massager similar to the one made by SKG. It is powered by a lithium battery (4.7V), and then generates voltage t...
The first one was drawn by me, the second one was drawn by someone else.
I don't know how the effect in the second picture was drawn.
Please give me some advice, thank you!...
### **Step 1: Create a new project** [Remember: the entity name of the top-level file is used as the project name! ! ! ! 】 File =》New Project Wizard...=》Select the project directory, specify the proje...
This article is a translation from the English version of DevicePlus.com .Wireless power is becoming more common thanks to Apple and Android phone manufacturers. But if you’ve ever seen an electrical ...
AC is connected to the RS485 line? Haven't found the reason yet? Recently, I tested that all the components on an RS485 line were damaged, and the chip was broken. Finally, I found that AC was connect...
This article introduces a simple distance learning system controlled by a single chip microcomputer and controlled by telephone. With the help of the existing rich telephone network resources, it has...[Details]
Development and Trend of Lighting Technology
History of Lighting Development
First, reviewing the development history of lighting technology, the first generation is represented by incandescen...[Details]
On the morning of October 11, mobile phone protective cases and protective films are an interesting topic. Most users will equip their new phones with these to protect their new phones. But what...[Details]
Differential sampling circuit
By using the method of converting a double-ended differential signal into a single-ended signal in a differential amplifier circuit, the collector voltage with the cat...[Details]
Melexis' new 3D magnetic angle encoder chip is optimized for robust motor design: small, programmable at module level, cost-effective and ASIL-compliant
July 1, 2022, Tessenderlo, Be...[Details]
Solid-state
batteries
are considered to be the next generation technology of liquid batteries and have become
an important development direction of
power batteries
. This article is ...[Details]
I see that everyone is very interested in U disk repair, but not having a clear idea is the biggest obstacle to repair. For this, I will help you to understand the idea of U disk repair here, I h...[Details]
1. Instrument model: Agilent/Keysight N5230C Microwave Network Analyzer. 2. Fault phenomenon: After booting up, the computer stays on the test interface and cannot enter the system. 3. Testing pr...[Details]
Western Digital announced today that the five NAND flash wafer fabs in Japan that were shut down in mid-June due to a power outage have basically resumed operations. The incident caused the loss of a...[Details]
Radar level meter is a measuring instrument based on the time travel principle. Radar waves run at the speed of light, and the running time can be converted into a level signal through electronic com...[Details]
In the United States, 95% of new cars have automatic transmissions, and the figure in Canada is slightly lower than that in the United States. It can be seen that people no longer favor manu...[Details]
With the rapid development of economy and the significant improvement of people's living standards, the number of cars in our cities is increasing day by day. The shortage of parking spaces has ca...[Details]
According to foreign media reports, scientists at Northwestern University in the United States recently invented a prosthesis that can be controlled by mind and is expected to be promoted to more p...[Details]
When reading routines, I often see such code before the main function starts, and I know it is used for debugging. But I am not very clear about it.
int main(void) {
#ifdef DEBUG debug();
#endi...[Details]
In the existing automobile market, many brands and models are widely recognized for their excellent safety performance. These brands and models have performed well in safety technology, crash test ...[Details]
Analog electronics
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