[i=s]This post was last edited by fyaocn on 2014-12-15 12:25[/i] Because of other work, the test was intermittent, so the posts in the middle were also very simple, just for demonstration. However, I ...
[size=5][backcolor=rgb(222, 240, 251)]Allwinner A33 processor supports Android 4.4 and 6.0 versions[/backcolor][/size] [backcolor=rgb(222, 240, 251)]Because the default configuration in the system sou...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:15[/i][table=98%] [tr][td][/td][td][/td][td][/td][td][/td][/tr] [tr][td=1,10,100][align=center]Power supply[/align][/td][td=1,2,198][align=ce...
For example:
1. Ordinary clock signal
( 1 ) initial statement
parameter FAST_PERIOD=10;// Generate a clock with a period of 10
reg Clock;
initial
begin
Clock=0;
forever
# (FAST_PERIOD/2) Clock=~Clock;...
Our company is a large high-tech listed company in Shenzhen, mainly engaged in the production and development of power system products, microelectronics products, optical and magnetic equipment. The c...
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
stm32/stm8
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