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...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[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]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[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]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Analog electronics
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