@dcexpertNew uses for old phones (1) - Basic method
New uses for old phones (2) - Install F-Droid
New uses for old phones (3) - Install the Android tool Termux
New uses for old phones (4) - Install PH...
According to legend, after passing the gate of hell, there is a road called Huangquan Road, where you can see the flowers but not the leaves of the red spider lily. The flowers and leaves will never s...
MEMS switches have the same advantages of small size as solid-state switches, can work in DC/0Hz conditions, have high operating life, low power consumption, and low on-resistance. MEMS switches have ...
I am using AT89S52 MCU to count the number of external interrupts through buttons and display them in digital tube. After using this delay function, the digital tube display delay is very serious. I d...
I use a single-chip microcomputer to control MSP430f5438, a CC1101 to send data, and a CC1101 to receive data.But no matter how I send, I can only see 0F 00 00 00 in the rxBuffer of the receiving end....
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]
Globally, the market for airbags and other restraint systems consists of different geographical regions, each with its own characteristics and needs. North America first introduced airbags in mass-...[Details]
During the global semiconductor industry recession, the automotive electronics market has performed strongly, especially the application of car remote control systems has become more and more wides...[Details]
1 Features
1.1 Single cell operating voltage up to 3.7V
It is three times that of nickel-cadmium batteries and nickel-metal hydride batteries, and nearly twice that of lead-acid batteries...[Details]
Central topics:
Six basic principles of automotive power supply design
Practical applications and power requirements
Solution:
Design heat sink based on minimum efficien...[Details]
With the development of social economy and the continuous increase of electrical equipment, various industries have greater and greater requirements for the capacity of switching power supply modul...[Details]
This design realizes the connection of a 4-row 4-column matrix keyboard to a single-chip microcomputer through one pin
.
It is an ideal choice when the number of pins is limited and has the...[Details]
1 Overview
The mixer is the most common frequency conversion device,
and the measurement of frequency conversion devices has always been relatively difficult and complicated. Tradition...[Details]
This design replaces an electromechanical switch with a capacitive sensor button (circular or square pad on a PCB). The PIC12CXXX MCU is well suited for this application, and a cheap, fully electronic...[Details]
Clamp Meter Principle
Clamp ammeters can generally be divided into two types: magnetoelectric and electromagnetic. The magnetoelectric type is used to measure industrial ...[Details]
Serial communication is widely used in the field of communication, and the standard RS232 interface has become the standard interface for computers, peripherals, switches and many communication dev...[Details]
There are many reasons for loss in the distribution network, among which line loss and network loss are the two most important ones. This paper first introduces the theoretical calculation method o...[Details]
Microcontroller MCU
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