Research and Development: Components
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Model, Description |
Interfaces |
Notes summary, refs |
Links; Technical, Purchase |
Cost + Shipping |
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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 |
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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 |
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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 |
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A/D Boards (for load cells) |
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HX711; 24 bit A/D, for load cells (summed sensors) |
Serial |
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 |
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HX711; 24 bit A/D, for load cells (summed sensors) |
Serial |
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 |
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Phidgets #1046 Bridge, load cell USB board, 4 readings |
USB |
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 |
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Temperature |
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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 |
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PC Sensors TemperHum; Temperature & Humidity |
USB |
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 |
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DHT22/AM2302 Digital Temperature and Humidity By ASONG |
GPIO |
Small 3-pin pluggable PCB module, .5C, 2% RH accy, 5-10k Ohm pull-up resistor is not required with PCB module, verified operation with Pi. |
$5.96 + $1.98 |
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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 |
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Luminosity |
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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 |
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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 |
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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 |
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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 |
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Cables \ Connectors |
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Flex Cable for Pi Cameras |
15 Pin MIPI CSI (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 |
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Flex Cable for Pi Cameras |
15 Pin MIPI CSI (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> |
$3.95-$5.95 <a name="_GoBack"></a>~$4.00 ship |
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40 pin Straight Extension Board |
40 GPIO |
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 |
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40 pin T Extension Board with cable and proto board |
40 GPIO |
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 |
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Solar & Power |
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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 |
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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 |
