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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@LawrenceG
LoRa is a brand name for long range wireless operating in the IMS band (868 Mhz) in Europe & 915 Mhz in USA. It's low bandwidth designed for sensors/devices that wake a few times an hour/day.
Range CISCO claim 20 miles from their HQ. Even with very cheap & poorly designed RF modules I got 350 meters in Urban and it works EVERY where in my house nothing has ever done that before! For a bit fun take a look at http://www.daveakerman.com
Whisker like quite a few modules provide an UART AT command interface. Others provide SPI radio interface. Take a look http://modtronix.com/products-modules-wireless-lora/.
General advice you won't get long range with CHEAP far Eastern modules. Most European module manf. are aimed at commercial & don't sell to makers. Both Whisker & modtronix have aimed to create quality boards at a good price for makers.
BTW LoRa modulation can only operate in certain radio bands and you must to keep a track of you transmission time or you will be braking the law.
Just to confuse everyone there is http://lora-alliance.org/ this is aimed at Telcos (public) and orgs. who want to build (private) wide area sensor networks. In the UK Vodafone are trialing this.
And finally to open a new can worms there is SIGFOX Telcos are operating SIGFOX in Europe but there'r aimed at commercial orgs & payload is only 12 bytes.