DDS, like DSP (digital signal processing), is a key digital technology. DDS is the abbreviation of Direct Digital Synthesizer . Compared with traditional frequency synthesizers, DDS has the advantages...
I want to make a 16×16 dot matrix module by myself using STC 89C51 single chip microcomputer. What solutions can be used to realize this circuit? Are there any requirements? Please provide some sugges...
Yesterday, I debugged the 485 repeater. Since there was no lower computer for communication, I used the USB to serial port method to send and receive. USB1 port was connected to USB to 232 and then to...
The official MicroPython documentation has updated the tutorial for APA102. APA102 is similar to WS2812 and is also a multi-level color light control, but APA102 uses two signal lines, has a higher si...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:46 [/i] The first (1994) National Undergraduate Electronic Design Competition Topic 1 Simple CNC DC Power Supply I. Design Task Design a CNC...
Currently, TinyOS only supports the wireless RF SOC CC2430 with 51 as the core, but does not support TI's latest second-generation SOC chip CC2530. Moreover, the functions supported by CC2430 are stil...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[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]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[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]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[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]