– On-board low-32.768khz, 8m high frequency oscillator
– The onboard 8-channel highlighted red light water, and is equipped with enable jumper
– 4 Independent quality key input, enabling independent adjustment DS1302 key or the like
– The onboard RS232 serial communication circuit, can communicate with the computer
– DS1302 ,, real-time clock and battery backup clock extraction interface.
– VS1838 infrared receiver, you can control experiment
– RS485 communication circuit, effectively improve the communication distance and multi-machine data transmission
– buzzer sounding circuit ,, can do all kinds of experiments
– The board BSL Downloader, support usb download programs directly to the microcontroller
– External power supply 5.5 * 2.1, USB, pin can be powered
– provide 3.3v and 5v power output.
– using the standard 14-pin jtag interface, support for hardware emulation
– The minimum system board removable, easy to replace the same type of chip;
– All pins by a double pin leads, clearly labeled
– support expansion NRF905 wireless module
– support expansion NRF24L01 / CC1100 modules
– The temperature sensor circuit, simply insert the sensor can work
– Road AD conversion circuit can be realized analog to digital conversion experiments
– Support 1602 LCD
– The image on the LCD supports 12864
– The on-board self-recovery fuse improve safety of the experiments.