#spidr1090

###HARDWARE

####Pi Zero Version
Part | Link | Cost
--- | --- | ---
Raspberry Pi Zero W | | $10
Adafruit 2.4" PiTFT Hat| (https://www.adafruit.com/product/2455) | $35
NooElec Nano3 SDR | | $28
Adafruit GPS Hat | (https://www.adafruit.com/product/2324) | $45
Antenna | |
USB Jack | |
MicroSD Card | |
| | Total: $118+

####Battery Options
(https://en.wikipedia.org/wiki/List_of_battery_sizes)
Portrait Orientation:
18500 Batteries (18mm x 50mm), ~1000-2000mAh ea.
The Pi Zero configuration consumes are 500mAh

Landscape Orientation
18650 batteries (18mm x 65mm). ~2200-3500mAh ea. 
Adafruit pack + PowerBoost Charger, ~$40
Anker PowerCore 10000, ~$25

Other options
external recharger (maybe cheaper and smaller?) along with 18500/18650

Some 18500 / 18650 include current protection inside, such as:
http://www.ebay.com/itm/2-x-Panasonic-NCR-18500-2000mAh-LI-ION-RECHARGEABLE-BATTERY-PCB-button-top-case-/391378348412?epid=1830264923&hash=item5b1ff7a97c:g:ePgAAOSwFqJWswnj,
otherwise would require external protection circuit to be used in parallel. 



####Pi 3 Version
This gets you a slightly bigger screen, and slightly better performance using the SDR Smart rather than the Nano 3, but requires a ton of annoying port/header clipping and desoldering. 

Part | Link | Cost
--- | --- | ---
Raspberry Pi 3 | | $35
Adafruit 2.8" PiTFT Hat| https://www.adafruit.com/product/2423 | $45
NooElec SDR Smart | | $20
GlobalSat MicroGPS Dongle | (https://www.amazon.com/GlobalSat-ND-105C-Micro-USB-Receiver/dp/B00N32HKIW/ref=sr_1_3?ie=UTF8&qid=1505829420&sr=8-3&keywords=gps+dongle) | $30
Antenna | |
USB Jack | |
MicroSD Card | |
| | Total: $130+


alt screen https://www.amazon.com/3-5inch-RPi-LCD-Directly-pluggable-Displaying/dp/B01N48NOXI/ref=sr_1_26?ie=UTF8&qid=1505871836&sr=8-26&keywords=pi+3.5%22+tft, $30 instead of 45, larger, not cap touch

####Battery Options
18650 batteries (18mm x 65mm). ~2200mAH ea. 
Adafruit pack + PowerBoost Charger, ~$40
http://www.ebay.com/itm/3-7-volts-6400-mAh-1S2P-18650-Li-Ion-Battery-Pack-PCB-protected-Panasonic-Cells-/221923032745?hash=item33aba4bea9:g:0-IAAOSw14xWLSr2

###INSTALLATION

####On RPI

1. Follow [Adafruit PiTFT install guide] (https://learn.adafruit.com/adafruit-2-2-pitft-hat-320-240-primary-display-for-raspberry-pi/easy-install) 

2. Install SDL and RTL-SDR libararies
```
sudo apt-get install libsdl2-dev libsdl2-ttf-dev libsdl2-gfx-dev wiringpi
```
3. Download spidr
```
git clone sdfsdfdfs
```

4. Build spidr with RPI flag set
```
cd spidr
make RPI=1
```

TODO
make install should set up service?