====== AJ0 Solar Powered GSM Gateway ======

===== Components =====

  * LPC812 + RFM69HW (EtnaNode MK2)
    * DS18b20
    * 1/4 Wave antenna
  * 5.5V 250mA Solar Panel 110mm x 70mm
  * Xadow GSM+BLE Module (with inbuilt LiPo charging)
  * 500mAh LiPo

===== Job List =====

==== Software ====
  * Get latest firmware onto Xadow
  * Work out method of comms with Xadow - options include i2c (though this involves setting it up both on Xadow but also on LPC812) or some how tapping in to the header and pulling out the UART
  * Get simple passing of data from LPC812 to Xadow and then GSM messaging that home
  * Next is getting data via GPRS (there is an HTTPS function)
  * Then add extra features (charging data etc)


===== Pseudo Code =====

<code>
function send_gsm_message()
    gsm.text(phone_number, "Hi I'm Alive")
end

id = timer.create(10000,send_gsm_message)

</code>
===== Links =====

  * [[https://github.com/Seeed-Studio/CodeLite_for_RePhone/wiki/building-RePhone-applications-on-Mac-OS-X]]
  * [[https://github.com/Seeed-Studio/Lua_for_RePhone]]