1. It can seamlessly connect with mainstream controllers such as 2009 UNO LENARDO 2560 on the market
2, 4 LED indicator lights (to know the importance of the LED indicator, in the actual project, with this indicator, you can directly use the indicator to indicate the working status of the program, which is convenient for program debugging.
3. DS18B20 temperature sensor interface, can do temperature measurement experiment
4. LM35 temperature sensor interface, temperature measurement experiment can be done, this price does not include LM35, if necessary, another shot.
5. 3296 precision adjustable potentiometer, provide analog port input (can be used to control LED brightness, rotate the angle of the steering gear, digital voltage, etc.)
6. The integrated infrared receiver is suitable for experiments with any infrared remote control. The price does not include the integrated receiver. If necessary, take another photo.
7. Four-digit digital tube (using 74HC595 to drive IO to learn SPI), can do digital tube display experiment (can display temperature, voltage, count value, etc.).
8. Three DU standing buttons and one reset button can be used for button experiments (man-machine interface).
9. The buzzer can be used for sounding experiments. (Can call the police, pronounce, etc.)
10. Bluetooth, wireless interface, voice module, voice recognition module, can be used for wireless communication experiments
11. The steering gear interface is convenient to drive the steering gear
12. Infrared detection interface, convenient for connecting with infrared, realizing human flow statistics etc.

























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