The code for the 8*8 dot matrix, this is a two-color 8*8 dot matrix, it is written in two parts in sequence. First learn to light a light, and then learn to make it display the effect of flowing water...
The above are all 8-bit addressing, but the data in DSP is obviously wrong (for example, 0x03030101, should be 0x04030201), I don’t know why, I hope the experts passing by can answer, I will be very g...
The pj 342 package has a little deviation, that is, the two positioning holes below have deviations, which needs attention!!! There is a capacitor missing in the tuning potentiometer!!! The schematic ...
Reprinted from Qianjia.com BG7JWE I believe everyone is familiar with the current power supplies that cost a few yuan or ten or twenty yuan, right? Similarly, I have also disassembled quite a few. Tod...
Why use frequency domain?
On the one hand, when we first came into contact with learning circuits and signals, we were dealing with voltages and currents that were static relative to time. For example...
[font=宋体][size=10.5pt] Our company is Relative Theory Technology Co., Ltd., which has a strong development team and strong financial strength. We are currently engaged in the development of various bo...
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[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]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[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]
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]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
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