Hardware Research - snowpuppy/augreality GitHub Wiki

Part 2

Microcontroller

Sensor board (From part 1): http://www.digikey.com/product-detail/en/STM32F405RGT6/497-11767-ND/2754208
Power board (Interfacing to fuel gauge): http://www.digikey.com/product-detail/en/STM32L100RBT6/497-13631-ND/3973519

GPS

From part 1: https://www.sparkfun.com/products/11058 (module) and https://www.sparkfun.com/products/464 (antenna)

9DOF

Screen

5.6" HDMI/VGA 720p for Atom board: http://www.adafruit.com/products/1666
5.0" HDMI/VGA 800x480 for Atom board, less than 50% the cost of first solution: https://www.adafruit.com/products/1678
Realtek RTD2660 display controller datasheet: http://aitendo3.sakura.ne.jp/aitendo_data/product_img/lcd_controller/Xs/RTD2660.jsp.pdf

Interfacing (currently discarded)

Alternate Atom board (discarded)

http://buy.advantech.com/cedar+trail+sbc+cedar+trail+cpu/MIO+2261N+S8A1E/model-MIO-2261N-S8A1E.htm

Power

Normal 19.2V LFP battery
Charger: http://www.batteryspace.com/Smart-Charger-1.5A-for-19.2V-LiFePO4-Rechargeable-Battery-Pack.aspx
Battery: http://www.batteryspace.com/custom-lifepo4-26650-battery-19-2v-3-3ah-63-4wh-7a-rate-with-pcb-5-9.aspx (OUT OF STOCK), http://www.batteryspace.com/custom-lifepo4-26650-flat-battery-pack-19-2v-3-3ah-63-4wh-7a-rate-with-pcb-5-9.aspx
Connector: http://www.batteryspace.com/connectoradaptoruniversaltwopinsfemalewith117cm18awgcable.aspx
Normal 12.8V LFP battery (discarded for regulation issues)
Charger: http://www.batteryspace.com/smart-charger-1.5a-for-12.8-v-lifepo4-battery-pack.aspx
Battery: http://www.batteryspace.com/lfp-18650-battery-pack-12-8v-6ah-77wh-3a-rate.aspx
Laptop battery (discarded for integration problems)
Battery: http://www.amazon.com/Cell-Battery-Dell-Inspiron-laptop/dp/B004QXZ2P0/ref=sr_1_1?ie=UTF8&qid=1391210317&sr=8-1&keywords=laptop+battery+9+cell
Charger: http://www.batteryspace.com/smartcharger18afor111vli-ionpolymerrechargeablebatterypack--ullisted.aspx
Regulator
Prepackaged: http://www.ti.com/product/lmz14203h, http://www.ti.com/product/ptn78060w, http://www.murata-ps.com/en/products/dc-dc-converters/single-output-non-isolated/where/v1out-range-vdc/5.021-to-15.5.html (discarded)
Fuel Gauge
Integrating: http://www.maximintegrated.com/datasheet/index.mvp/id/4779/t/or
V reg for the gauge: http://www.ti.com/product/tps70950 (5 V), http://www.ti.com/product/tps70933 (3.3V)

Part 1

Design Constraint Analysis

GPS

https://www.sparkfun.com/products/11058 (module) and https://www.sparkfun.com/products/464 (antenna)
(Cheaper consideration: https://www.sparkfun.com/products/11571)

9DOF

Screen

Discarded: http://www.newhavendisplay.com/specs/NHD-2.4-240320SF-CTXI-F1.pdf
For use with Raspberry Pi: http://www.ebay.com/itm/5-TFT-LCD-Digital-Car-Rear-View-Monitor-VCD-DVD-GPS-Camera-Monitor-US-Stock-/261214543220?pt=US_Rear_View_Monitors_Cams_Kits&hash=item3cd1999d74
5.6" HDMI/VGA 720p for Atom board: http://www.adafruit.com/products/1666

Microcontroller

Discarded: http://www.digikey.com/product-detail/en/STM32F303CCT6/497-13318-ND/3660423
Chosen: http://www.digikey.com/product-detail/en/STM32F405RGT6/497-11767-ND/2754208
Details on the F4 FPU for the graphics nerds: http://infocenter.arm.com/help/topic/com.arm.doc.ddi0439c/BEHJADED.html

Evaluation Board for Microcontroller

XBee

http://www.digikey.com/product-detail/en/XBP9B-DMST-002/602-1299-ND/3594157
Documentation/Spec Sheet: http://ftp1.digi.com/support/documentation/90002173_B.pdf
Range Test Instructions: http://ftp1.digi.com/support/documentation/90001067_a.pdf
Maximizing Range Instructions: http://www.digi.com/support/kbase/kbaseresultdetl?id=2051

XBee Antenna

Power/Battery Management

6Ah Lithium Battery: https://www.sparkfun.com/products/8484
MCP73831 USB Li-Ion Battery Charging IC: http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en024903
MAX17043 (MAX17043G-E+U) Voltage-Sensing Battery Fuel Gauge IC (WARNING DFN-8 hard to solder): http://www.maximintegrated.com/datasheet/index.mvp/id/6546
Breakout: https://www.sparkfun.com/products/10617
Pololu U3V12F5 module (Display power): http://www.pololu.com/catalog/product/2115
MIC5219 3.3V 500mA Linear Low Dropout Regulator (Sensor, Micro, Core, and XBee power):
From Micrel: http://www.micrel.com/index.php/en/products/power-management-ics/ldos/single-ldos/article/88-mic5319.html
3 http://www.digikey.com/product-search/en?x=-860&y=-73&lang=en&site=us&KeyWords=MIC5219-3.3YM5+TR
5 http://www.digikey.com/product-search/en?WT.z_header=search_go&lang=en&site=us&keywords=MIC5219-3.3YMM&x=-797&y=-51
Use SOT-23-5 for sensors and MSOP-8 for Radio/Micro and Core power

Passives

Oscillator: https://www.sparkfun.com/products/538
Mini USB: https://www.sparkfun.com/products/587
JST for battery: https://www.sparkfun.com/products/9749
XBee headers (X2): https://www.sparkfun.com/products/8272

Cross compiler for Raspberry PI

http://www.bootc.net/archives/2012/05/26/how-to-build-a-cross-compiler-for-your-raspberry-pi/

Raspberry pi board layout

http://openlab.com.au/wp-content/uploads/2013/04/Raspberry_Pi_Dimensions.png