Hardware Reference
In-Depth Information
Possible distance:
local (less than 10m)
SPI
Microcontroller
Phone
USB Host
Controller
USB
Serial over Bluetooth
Bluetooth
Serial
Serial
Microcontroller
Phone
Bluetooth
Mate
Possible distance:
global
WiFi or mobile
network
SPI
Internet
Microcontroller
Phone
Ethernet
or WiFi shield
SMS, email, or
TCP/HTTP
Mobile network
Serial
GSM shield
Microcontroller
Phone
SMS, email, or
TCP/HTTP
