[size=4][b][color=black] Creative little ideas for life, add a different sense of freshness to every day! DIY calendar-shaped page-turning lamp (Page by Page Lamp), in addition to the practical lighti...
RF Carrier Frequency Between Tag and Antenna When choosing an RFID system, an important consideration is the carrier frequency band used to transmit data between the tag and the antenna. The FCC def...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:13[/i]The M M A 7 4 55 accelerometer I bought from Longqiu on Taobao has 12 pins!
After debugging with the given program and serial port debu...
The corporate training company provides training for company employees and is looking for chip layout teachers on a long-term basis. Generally, the training is short-term, about three days, mainly on ...
In recent days, the laptop panel seems to be very hot. I didn't pay attention to it at the time, but later I accidentally discovered that I didn't seem to hear the sound of the fan recently. I wanted ...
(2006-04-04 13:50:26 )4. Cleaning of LPG cut-off solenoid valve Follow the safety operation specifications, remove the LPG cut-off solenoid valve, disassemble the solenoid valve, and clean the filter ...
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
DIY/Open Source Hardware
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