Description
- Origin: CN(Origin)
- Condition: New
- Type: Voltage Regulator
One, AVR YT16D experimental box standard accessories:
The development board (development board has been installed in the aluminum box)
The step motor block (already installed in the development board)
The DC motor a (already installed in the development board)
The infrared ultra-thin remote control
The 2.4 inch color LCD screen (including a SD card)
Double color dot matrix (welded on board)
The ATMEGA16 chip
The USB-ASP-ISP Download
The high grade aluminum alloy in a suitcase
The CD (including PDF format schematics, manuals, software, supporting procedures etc.)
1, the motherboard integrated hardware functional module details: (wow! Function is too rich!)
a 320 x 240 2.4 inch super TFT color screen, can display a variety of color image, and also supports touch, can do with related experiments.
2 road with 38K carrier modulation signal infrared emission circuit, microcontroller as long as the given control signal can be, the hardware circuit of automatic modulation 38kHz carrier signal; 1 infrared receiving circuit, high sensitivity, wide range of integration of infrared receiving head, matching firing for obstacle avoidance and communication function. Remote control can be achieved by using the remote control, remote control, remote control, etc., through a double way to avoid obstacles, can determine the right or left, the whole block.
a LCD12864 LCD standard socket can be directly connected ST7920 character LCD KS0108, non character LCD and so on many kinds of standard LCD interface, can be directly connected to our company supporting the TFT true color, sample for ST7920 LCD character writing, can realize user made graphic or character information display, image display, menu control.
The LCD1602 standard socket, plug and play, according to the standard 1602 lcd.
a standard AT-ISP interface, purchase standard at downloader can were AT89s54, 53, 52, 51 etc. 51 chip and ATmega128 as the AVR chip online to download and use.
a red and green 8 * 8 dot matrix color, driven by three 74HC595 chip, program contains characters, Chinese characters and graphic dot matrix display, help on the LCD screen display of understanding, industry led screen usually use hc595 as signal transmission, can focus on learning the chip control and cascade.
a original Mitsumi stepper motor import interface can connect 4 phase 5 line step motor, controlled by ULN2003, positioning rotation, reversing, and so on.
a DC motor, DC motor PWM speed control principle learning, motor coordination with the turntable can be very intuitive observation of the DC motor.
pcf8591 chip, 8-bit digital to analog / analog to digital converter chip, provide 4 ad inputs and road Da output, 4 input interface through jumper selection potentiometer, a light sensitive resistor, a thermistor input can be respectively through a potentiometer, a light sensitive resistor, a thermistor regulated voltage value 0? VCC, port independently, own external and Da analog output port can be through the LED indicator lamp output display, separate port can be connected.
The pulse generator module consists of 555 independent, and equipped with adjustable resistance, can produce variable wave frequency and pulse width.
a motherboard integrated USB to serial chip PL2303, driver support the latest win7 system, as long as 1 root USB cable can realize power supply, communication integrated, especially now that less notebook USB port, this connection can maximum limit save USB port
The 8 LED, the most basic SCM learning part, such as the water lights, marquees
The 8 common cathode digital tube, 2 74hc573 latch, static display and dynamic scanning, respectively, and a control section of the latch latch
a serial signal turn parallel signal 74HC164 chip, through the serial port or serial analog signal input and output 8-bit parallel signal, respectively, with eight light-emitting diode display, microcontroller port is not used for
The parallel signal to serial signal chip 74hc165, through the parallel port or parallel port analog signal input, output 8 bit serial signal
The 2 EEPROM memory 24C02 and 93C46, IIC bus interface, interface with program protection.
a DS1302 clock chip, 32768Hz clock source crystal, three wire bus interface, with standby power CR1220 button batteries, exemplar matching can be adjustable clock, PC computers online update clock program
The MAX232 converter
The RS485 chip, the hardware control principle of learning 485 left input signal, control signal and output signal port
The buzzer, can play music, instead of active buzzer.
a high power relay, 240 V / 7 a., city special terminal, reserved normally open and normally closed, public contact can directly connected 220V electrical equipment, the sample provides analog washing machine motor control principle
a 18b20 temperature sensor, smaller volume, higher precision, wider application of voltage, using 1-wire bus, networking, etc., in the practical application made good effect in the temperature measurement.
a high precision thermistor, through the AD conversion can measure a wide range of temperature, learning NTC thermistor use principle, the sample provides measurement procedures
The general photosensitive resistance, can measure the change of light through the AD conversion, to learn a variety of principles and techniques of electric equipment
8 independent buttons, input part of a human-machine interface module, free connection, from hardware limits, the key part is consistent with the marking, up, down, left and right, backspace, carriage return, line can free configuration. Examples include external interrupt control, addition and subtraction control, switching control
a 4 * 4 matrix keyboard, having an interrupt signal input, can learn from the ranks of scanning and inversion scanning, scan timing, interrupt scanning, keyboard identification is complete, in accordance with the standard calculator arrangement examples provide a password lock, calculator, etc. the utility
The PS/2 interface, can be connected to the PS/2 standard keyboard, learning principle and technology of PS/2 protocol, 1602 liquid crystal display input character
You can plug the replacement of the crystal, to use a different frequency to adjust
The 51, AVR double reset circuit, 2 reset, single hop switch cap, can be extended to more chip learning
The external power supply voltage regulator circuit, external input DC voltage 7-12V, LM7805 linear regulator integrated motherboard chip, can
That the motherboard provides 5V/1A power
a microcontroller IO port using double pin connection, provide great convenience for the port sharing test, sometimes with a port need for the use of the two devices, single in-line pin connection is not convenient
The use of high-quality single-chip locking socket, convenient replacement chip, long service life, can batch programming chip
