For 51 MCU Advanced Development Board/Learning Board/MR51-MCU2/Wireless Remote Control/Voice (brand-new) | Автомобили и мотоциклы

For 51 MCU Advanced Development Board/Learning Board/MR51-MCU2/Wireless Remote Control/Voice (brand-new) | Автомобили и мотоциклы

I. Product introduction:
This product is a cost-effective product with two on-board display modes.Wireless remote control,Recording and playbackA variety of functions are also provided.Buffer driver and data latch,The IO expansion ability of single chip computer is greatly enhanced, and there is no longer the trouble of IO limitation. This board is compatible with all 51 family microcontrollers such as STC, SST, Atmel, Philips, etc. It can download burning programs in many ways. 51 Advanced Development Board has abundant external resources, microcontroller and various peripheral equipment.The interface is completely open and the degree of freedom is very high. You can play it freely. Learners can easily and quickly complete various experiments.What learners can think of can be done on our board. Only you can't imagine, nothing can't be done.
Through the study of the development experiment board, the trainees can not only easily and quickly grasp the development of single-chip computer software system.(C language, assembly language)Moreover, it can quickly grasp the design of hardware circuit and the development process of embedded system.
This suite is equipped with rich example source code, schematic diagram, etc. Its fully open resources are the best choice for beginners and high-level people who have just come into contact with C51 and want to quickly enter the field of control.

II. Introducing on-board resources

One power input (AC or DC 9V~12V)
A 2P Extended Power Supply Input Terminal (DC 5V)
1 Point-operated Power Switch
Six 3 red LEDs
1 reset button
2 test keys
Three External Recording and Playing Keys for ISD1420P
Two 5V relays
4 dot matrix 20*20 dot matrix digital tube
Two 13*208 digital tubes
A 5V long-Tone buzzer
A 5V segment buzzer
Two LTP521 optical couplers
Two circular rectifier bridges
A DB9 Serial Port Interface
Two L7805CV Voltage Regulating IC
Nine 74HC373 latches
A 74HC244 Cache Driver
An ISD1420P Record
A LM386N Audio Power Amplifier
A W 103 adjustable potentiometer
A SC2272-M4 Wireless Remote Control Module

** This suite is equipped with rich example source code, schematic diagram, etc. Its fully open resources are the best choice for beginners and high-level people who have just come into contact with C51 and want to quickly enter the field of control.

Functional introduction:
OneIndependent keyboard2 independent keys (INT0 button and INT1 button), learning the input of simple keyboard, realizing the external interruption of keyboard, learning the external control of single chip computer.
TwoSix LED red lightsIt can be used for running lamp, horse-running lamp, running-water lamp and other pattern lamp experiments.
Three8-bit digital tubeLearn the dynamic scanning display technology of multi-digit digital tube. Can do digital display output such as clock, timer, etc.
Fourdot matrix displaysLearn to control dot matrix digital tube dot distance display technology. Can display Chinese characters, characters, graphics and other display output.
Five74 Series 373 Latches and 244 DriversExpanding the use of single-chip IO to improve the driving capacity. It effectively solves the problem of limited IO port and weak driving ability of single chip computer.
SixSC2272-M4 Wireless Remote Control ModuleThrough this module, the mini remote controller provided by the development board can be used as a remote control transmitter, remote control such as car unlock switch, TV remote control and other remote control devices.
SevenRelayThe output of the relay is usually open and closed and isolated from the board circuit. It can control the switch of higher voltage equipment, such as 220V lamp. But this is what the power users can do. For the sake of safety, it is not recommended to exceed 50V safe voltage.
EightBuzzerTwo long and segmental buzzers are provided. Can do prompt sound experiment, alarm sounding, etc.
NineSerial Port Processing MAX232As a level conversion of synchronous asynchronous serial communication, it can be used for communication experiment between synchronous asynchronous serial communication and PC.
TenPower partThe board has a rectifier bridge and 7805 voltage regulator. It has multiple filter circuits, which provide relatively stable power supply. The circuit has rectifier bridge protection and can be input by DC or AC 9V~12V.
ElevenExtended power supplyThe board also has a DC 5V power expansion interface.
TwelveLM386 Audio Power AmplifierLM386 can amplify the voice and audio input signals to get a better audio effect. After amplification, it can be directly output, and can be collected by recording chip.
ThirteenISD1420 Audio RecordThe recorder can record up to 20 seconds of high quality recording time. It can be used as a reminder, warning, message and other applications.
FourteenSignal inputThe board has two signal input terminals, which can determine the input voltage signal. Through TLP521 optocoupler, it can be used for low voltage signal and feedback experimental occasions.

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