Microcomputer and Single-Chip Computer Comprehensive Experimental Ddevelopment System 5546SA45

◆ The mainboard integrates the USB to serial port chip CH340T, and the driver supports the latest win7 system. Only one USB cable is needed to realize power supply, download, and communication functions. Especially now that there are fewer USB ports on laptops, this connection method can save USB ports to the maximum extent
◆ 8 LEDs, the most basic learning part of single-chip computers, such as running lights and marquees
◆ 1 large-size common anode digital tube, learning the display principle of digital tubes
◆ 8-bit common cathode digital tube, 2 74hc573 latches, static display and dynamic scanning, respectively controlling segment latches and bit latches
◆ Red and green dual-color 8×8 dot matrix, 3 hc595 chip drivers, dot matrix can be plugged in and out, industrial LED screens usually use HC595 for signal transmission, here we focus on learning the control and cascade of this chip
◆ Serial signal to parallel signal chip 74hc164, through the serial port or simulated serial port signal input, output 8-bit parallel port signal, mostly used in the case where the microcontroller itself does not have enough ports
◆ Inverter CD4069, can do signal combination test
◆ EEPROM memory 24c02, IIC bus interface, with program protection interface, sample supporting single-byte, multi-byte storage, power-on times memory, last used state memory and other programs
◆ DS1302 clock chip, 32768Hz clock source crystal oscillator, three-wire bus interface, with backup power supply CR1220 button battery, sample supporting adjustable clock, computer host computer online update clock and other programs
◆ MAX232 serial port level conversion, connect 2 serial ports, DB9 male and female ports, and onboard usb to serial port, can form 3 serial port external connection methods, convenient for multiple connection
◆ RS485 chip, learning 485 hardware control principle, leaving input signal, control signal and output signal ports
◆ PCF8591 chip, 8-bit D/A/A/D conversion chip, provides 4 AD inputs and 1 DA output. The 4 input interfaces are switched and tested through 2 potentiometers. The values 0-VCC can be adjusted through the potentiometers respectively. The ports are independent and can be connected externally. The DA port simulates the display through the LED light. The ports are independent and can be connected externally. The samples are equipped with AD conversion test, DA conversion test, sawtooth wave output, etc.
◆ Speaker, which can play music and replace the active buzzer. The samples contain a variety of sound simulations, such as sirens, ambulance sounds, fire truck sounds, electronic pianos, etc.
◆ 2-way stepper motor interface, which can connect 2 4-phase 5-wire stepper motors and control through ULN2003. The samples provide positioning rotation, forward and reverse rotation and comprehensive control, etc.
◆ 2-way DC motor interface, you can learn the principles of DC motor switch control and speed regulation
◆ 2-way high-power relay, 240V/7A, dedicated wiring terminal for AC power, reserved normally open, normally closed, and common contacts, can be directly connected to 220V electrical equipment, the sample provides simulation of washing machine motor control principle, etc.
◆ LCD1602 standard socket, with independent contrast adjustment potentiometer, plug and play, for standard LCD, realize multiple modes of display, such as mobile display, scrolling display, cursor display, word-by-word input, etc.
◆ LCD12864 LCD standard socket, with independent contrast adjustment potentiometer, can be connected to ST7920 font LCD, KS0108 non-font LCD and other standard interface LCDs, can be directly plugged into our company’s matching true color screen, the sample is written for ST7920 font LCD, such as writing user-edited graphics or characters, displaying pictures, menu control, etc.
◆ 2-way independent 18B20 temperature sensor interface, reserved expansion pins, can connect 2 together for single bus control, can also be separated and independently controlled, with higher degree of freedom, the sample can be actually applied, over-temperature alarm, upper and lower limit settings, etc.
◆ High-precision thermistor, can measure wide range of temperature through AD conversion, learn the principle of using NTC thermistor, and provide temperature measurement program in the sample
◆ Universal photoresistor, can measure light changes through AD conversion, used to learn the principles and techniques of various light control devices
◆ 8 independent buttons, important modules of human-machine interface input part, free connection, not subject to hardware limit, the button part has matching mark, up and down, left and right, backspace, enter, etc., can be freely configured, samples include external interrupt control, addition and subtraction control, switch control, etc.
◆ 4×4 standard matrix keyboard, with interrupt signal input, can learn row and column scanning, reverse scanning, timing scanning, interrupt scanning, keyboard markings are complete, arranged in the standard calculator way, samples provide password lock, calculator and other utilities
◆ Flame sensor, can detect the presence of fire, suitable for fire protection
◆ Standard AT-ISP interface, purchase standard AT downloader can be used for online download and use of 51 chips such as AT89s51, 52, 53 and AVR chips such as Atmega8515
◆ The crystal oscillator can be plugged in and replaced, and can be adjusted for different frequencies
◆ 51. AVR dual reset circuit provides 2 resets, single jump cap switching, and can expand the learning of more chips
◆ Can be connected to an external 5v external power supply
◆ High-quality power switch, large current and long life
◆ The IO port of the microcontroller uses a double-row pin connection, which provides great convenience for port sharing experiments. Sometimes the same port needs to be used by two devices, and a single-row pin connection is inconvenient
◆ The microcontroller uses a high-quality locking socket, which is convenient for chip replacement, has a long service life, and can be programmed in batches.
2-way 3.3v voltage output interface
-8-bit LED light
-8-bit common cathode digital tube, 2 74hc573 control
-single common anode digital tube
-two-color dot matrix, 3-way 74hc595 control
-adjustable volume speaker
-dual relay
-flame sensor
-infrared remote control decoding
-8 independent buttons
-4×4 matrix keyboard with interruption
-2-way DC motor drive
-2-way stepper motor drive
-4-way ADC conversion with input
-1-way DAC conversion with output
-photosensitive sensing function (photosensitive module)
-temperature detection function (thermal module)
-2-way digital temperature sensor 18B20
-inverter function cd4069
-serial port to parallel port function 74hc164
-serial port function max232
-485 interface transmission Function
-Non-volatile storage function 24c02
-Clock chip DS1302, with clock battery
-1602 LCD display function socket
-12864 LCD display function socket
-Fuse short-circuit protection function, protect computer
-External power supply dedicated interface
-Locking socket, convenient for chip replacement, realize batch chip burning function
-Replaceable crystal oscillator, plug-in type
-All IO ports are externally reserved pins
-ISP dedicated interface function, can be expanded into AVR
-Dual reset function, can support AVR expansion
-Single-line power supply, download, communication function, ch340t virtual serial port
2-way 3.3v voltage output
Software
◆Supporting c program, 160, each with detailed annotations, and detailed explanation in the supporting more than 300 pages of instructions, gradually learn to use from the shallow to the deep. The CD contains schematics, compilation software, and download software
◆Supporting integrated compilation environment keil software
◆Supporting dedicated Defeilai serial port debugging software, and providing VB source code
◆Supporting serial port temperature measurement program, providing VB source code
◆Digital tube modeling program
◆Chip burning software and usage information
◆Supporting chip documentation
◆Various practical documents, programs, software, etc. for single-chip microcomputers
◆Supporting videos
External dimensions: 480*380*140mm