Difference between revisions of "Research and Development: Components"

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Revision as of 06:39, 7 January 2015

Model, Description


Notes summary, refs

Links; Technical, Purchase

Cost + Shipping

Raspberry Pi A+

Single board computer

256Mb; 1-USB, 40 PIN GPIO 3Volt I2C, SPI, DI/DO, 2 PiCam, HDMI

No Ethernet, one USB, reduced power consumption

<a href="http://www.ebay.com/itm/381063458951">http://www.ebay.com Pi A+</a>

New Egg Domestic

24.99 + free

Raspberry Pi B+

Single board computer

512Mb; 4-USB, RJ45, 40 PIN GPIO 3Volt I2C, SPI, DI/DO, 2-PiCam, HDMI

More memory, Ethernet, 4 USB, more power, larger

<a href="http://www.ebay.com/itm/301384040390">http://www.ebay.com Pi B+</a>

New Egg Domestic

35.99 + .99

Micro SDHC 16 GB Memory

Micro SHDC

SanDisk 16GB Class 10 Mobile Ultra micro SD SDHC 48MB/s UHS Memory Card, formatted NTFS, For A+,B+ tested

<a href="http://www.ebay.com/itm/191301826382">http://www.ebay.com Micro 16gb SHDC</a>

retail package, domestic

$9.36 + $1.99

A/D Boards (for load cells)

HX711; 24 bit A/D, for load cells (summed sensors)


Original single chip 24 bit A/D, working with Pi, cable length imitations

<a href="http://www.ebay.com/itm/Weighing-Sensor-AD-Module-Dual-channel-24-bit-A-D-Conversion-HX711-Shieding-New-/161264280794?pt=LH_DefaultDomain_0&hash=item258c19a4da">http://www.ebay.com HX711-Shieding</a>

$3.58 + $1.98

HX711; 24 bit A/D, for load cells (summed sensors)


New board design with extra chip, buffered?, programmable, untested

<a href="http://www.ebay.com/itm/HX711-Dual-channel-24-bit-A-D-Conversion-Weighing-Sensor-Module-Metal-Shied/281410718606">http://www.ebay.com HX711-Dual-channel module</a>

$3.01 + $1.99

Phidgets #1046 Bridge, load cell USB board, 4 readings


24 Bit Quad A/D load cell dev board. programmable, Pi tested, SW summed

<a href="http://www.phidgets.com/products.php?product_id=1046">http://www.phidgets.com 1046 bridge PCB</a>

$90.00 + $12.00


SHT21/AM2321 Digital Temperature and Humidity

I2C Bus

Small package, 2C, 5% RH accy, 16 bit A/D, untested, pull-up likely reqd.

<a href="http://www.ebay.com/itm/200957392012">http://www.ebay AM2321</a>

$4.55 + $1.98

PC Sensors TemperHum;

Temperature & Humidity


Proven on Pi with USB hub, .5C, ± 4.5 RH% accy, Some versions may be problematic. Difficult returns to China.

<a href="http://www.ebay.com/itm/PCsensor-USB-Hygrometer-Thermometer-TEMPerHUM-track-Hot-sell-D3171D-/171074099070?pt=US_USB_Wi_Fi_Adapters_Dongles&hash=item27d4cf977e">http://www.ebay.comTemperHum</a>

$22.99 + free

DHT22/AM2302 Digital Temperature and Humidity


I2C Bus

Small package, .5C, 2% RH accy, 10k Ohm pull-up resistor required, verified operation with Pi.

<a href="http://www.ebay.com/itm/DHT22-AM2302-Digital-Temperature-And-Humidity-Sensor-Replace-SHT11-SHT15-Arduino-/170931111400?pt=LH_DefaultDomain_0&hash=item27cc49c5e8">http://www.ebay.com/itm/DHT22-AM2302</a>

$3.53 + $1.98

DHT21/AM2301 Digital Temperature & Humidity

I2C Bus

Larger package, field ready with pigtail, .5C, 3% RH accy.

<a href="http://www.ebay.com/itm/DHT21-AM2301-Digital-Temperature-Humidity-Sensor-module-SHT11-SHT15-Arduino-/181007963977?pt=LH_DefaultDomain_0&hash=item2a24ea5749&tfrom=170931519350">http://www.ebay DHT21</a>

3.47 + $1.98


TSL2591 Luminosity PCB

I2C Bus

IR & Visible 188 uLux – 88k Lux, 3V, Wide Dynamic Range 16 bit, 600M:1 range, Adafruit board, non-addressable

<a href="https://www.adafruit.com/product/1980">https://www.adafruit TSL2591</a>

<a href="https://www.adafruit.com/products/1980"> </a>

$6.95 + $4.00 from UK

TSL2561 Luminosity PCB

I2C Bus

IR & Visible 0.1 – 40+ k Lux, 3V 0.6 mA, non-addressable, limited Lux high end range, untested

<a href="http://www.ebay.com/itm/271576254175">http://www.ebay TSL2561 Luminosity sensor</a>

$5.04 + free ship

BH1750FVI Luminosity PCB

I2C Bus

IR & Visible ~1 – 65 k Lux, 3V 0.6 mA, non-addressable, 16 bit A/D, addressable untested

<a href="http://www.ebay.com/itm/140810083567">http://www.ebay.com BH1750FVI Light Intensity Sensor</a>

$2.27 + $1.80

Omnivision 5647, LS40136 lens

15 Pin MIPI CSI (15 cm ribbon)

5 megapixels, 2592X1944, 1080P, IR filtered. Designed for Pi. Removabl lens

<a href="http://www.ebay.com/itm/281212352673">http://www.ebay.com Pi Camera with M12X.5 mount lens</a>

16.98 + Free

Cables \ Connectors

Flex Cable for Pi Cameras


(61 cm ribbon)

24” ribbon cable for Pi cameras

<a href="http://www.ebay.com/itm/251749299931">http://www.ebay.com 24" Flex cable for Pi cam</a>

$7.99 + Free

Flex Cable for Pi Cameras


(300-600 cm ribbon)

36-72” ribbon cable for Pi cameras

<a href="http://www.adafruit.com/products/2144?gclid=CLuX28jQ1sICFY-VfgodclQAmA">http://www.adafruit.com Pi Camera Cable 36-72"</a>


<a name="_GoBack"></a>~$4.00 ship

40 pin Straight Extension Board


40 pin Straight Type Extension Board for Raspberry PI Type B+ and A+

<a href="http://www.ebay.com/itm/291228673142">http://www.ebay.com 40 Pin extension board for A+ B+</a>

$3.59 + free

40 pin T Extension Board with cable and proto board


40 pin T Type Extension Board & cable for Raspberry PI Type B+ and A+

<a href="http://www.ebay.com/itm/181611122365">http://www.ebay.com Tee extension boad</a>

$9.99 + free

Solar & Power

Renogy 30W Monocrystalline Solar Panel

Insulated Two Conductor Wire

30 Watt Monocrystalline Solar Panel, 12 Volt 1.7A, Dimensions:13.5X23.8X1”

<a href="http://www.ebay.com/itm/30W-Watts-30-Watt-Mono-Solar-Panel-Off-Grid-12-Volt-12V-RV-Boat-Battery-Charger/301410352856">http://www.ebay.com 30 Watt solar Panel</a> ships from USA

$50.99 + free

25 Watt Solar Panel

No: PWM-25W

Insulated Two Conductor Wire

Watts Peaks(Pm): 25W, 12V (Imp): 1.33A Dimensions:530x280x25mm

<a href="http://www.ebay.com/itm/25W-Watt-Mono-Solar-Panel-Off-Grid-22-64V-RV-Boat-Battery-Charger/281502149817">http://www.ebay.com 25 Watt Solar Panel</a> ships from USA

$35 + $10