The Elecrow Lora Shield is a long range transceiver on a Arduino shield form factor and based on Open source library.The Lora Shield allows the user to send data and reach extremely long ranges at low data-rates.It provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.
This WiFi Shield connects your Arduino or Crowduino to the internet wirelessly. Just connect it to your wireless network with a few simple instructions, you can start to control your applications through the internet now. This Wifi Shield utilizes a RN171 which is a complete, standalone TCP/IP wireless network module, to provides your Arduino/Crowduino internet connectivity via 2-pin serial port. Also, on the board there is an on-board micro SD slot ready for your store your data, making you applications such as weather monitoring easily!
The Ethernet Shield connects your Arduino device to the internet in mere minutes. Just plug this module onto your Arduino board, connect it to your network with an RJ45 cable (not included) and follow a few simple instructions to start controlling your world through the internet.