Ok so i have found a all in one cheap solution that is perfect for me.
We can drop this whole list.
- 1×Sim800L GSM module on breakout boardhttp://www.aliexpress.com/store/product/Free-shipping-SIM800L-GPRS-Module-with-PCB-Antenna-Automatic-Micro-SIM-Card-SIM800L-breakout-board/605000_32246510568.html
- 1×Arduino Mini Pro 3.3v
- 1×tp4056 based lipo charging module from ebay with protection curcithttp://www.ebay.co.uk/itm/141408998891?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
- 1×ds18b20 temp sensorSensors / Temperature, Thermal
- 1×1k ohm resistor
- 2×resistors for voltage devider
- 2×2pin jst connectors
- 1×3pin jst connector
- 1×LiPo Battery
And lets get ready for this nice board from Elecrow.
It has a A6 GSM module on it with a 32u4 arduino running at 5v. The A6 module is nativly run on a lipo.
For the arduino chip there is a regulator.
There are 8 connectors on top. A connector for audio and mic, 2 digital connectors, 1 analog, 1 I2C, lipo connector, ISP header and a usb port.
I allready have it in hand i ticking away with some new code