NANO's technical parameters:1. 12 digital input/output port D2-D13.2. 8 analog input port A0-A7.3. 1 pair of TTL level serial port and sending port RX..
2 Banding optocoupler relay module
Information download address (Copy to the browser and open):http://pan.baidu.com/share/link?shareid=555653&UK=3658..
This product is characteristic (the product itself does not need any power supply, battery.)
Note: Only the voltage measurement function (that is, th..