Components
| Model, Description | Interfaces | 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 | http://www.ebay.com Pi 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 | http://www.ebay.com Pi B+
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 | http://www.ebay.com Micro 16gb SHDC
retail package, domestic |
$9.36 + $1.99 | ||||
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 | http://www.ebay.com HX711-Shieding | $3.58 + $1.98 | ||||
| HX711; 24 bit A/D, for load cells (summed sensors) | Serial | New board design with extra chip, buffered?, programmable, untested | http://www.ebay.com HX711-Dual-channel module | $3.01 + $1.99 | ||||
| Phidgets #1046 Bridge, load cell USB board, 4 readings | USB | 24 Bit Quad A/D load cell dev board. programmable, Pi tested, SW summed | http://www.phidgets.com 1046 bridge PCB | $90.00 + $12.00 | ||||
| Temperature | ||||||||
| SHT21/AM2321 Digital Temperature and Humidity | I2C Bus | Small package, 2C, 5% RH accy, 16 bit A/D, untested, pull-up likely reqd. | http://www.ebay AM2321 | $4.55 + $1.98 | ||||
| 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. | http://www.ebay.comTemperHum | $22.99 + free | ||||
| DHT22/AM2302 Digital Temperature and Humidity
By ASONG |
I2C Bus | Small package, .5C, 2% RH accy, 10k Ohm pull-up resistor required, verified operation with Pi. | http://www.ebay.com/itm/DHT22-AM2302 | $3.53 + $1.98 | ||||
| DHT21/AM2301 Digital Temperature & Humidity | I2C Bus | Larger package, field ready with pigtail, .5C, 3% RH accy. | http://www.ebay DHT21 | 3.47 + $1.98 | ||||
| Luminosity | ||||||||
| TSL2591 Luminosity PCB | I2C Bus | IR & Visible 188 uLux â 88k Lux, 3V, Wide Dynamic Range 16 bit, 600M:1 range, Adafruit board, non-addressable | https://www.adafruit TSL2591
|
$6.95 + $4.00 from UK | ||||
| TSL2561 Luminosity PCB | I2C Bus | IR & Visible 0.1 â 40+ k Lux, 3V 0.6 mA, non-addressable, limited Lux high end range, untested | http://www.ebay TSL2561 Luminosity sensor | $5.04 + free ship | ||||
| BH1750FVI Luminosity PCB | I2C Bus | IR & Visible ~1 â 65 k Lux, 3V 0.6 mA, non-addressable, 16 bit A/D, addressable untested | http://www.ebay.com BH1750FVI Light Intensity Sensor | $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 | http://www.ebay.com Pi Camera with M12X.5 mount lens | 16.98 + Free | ||||
| Cables \ Connectors | ||||||||
| Flex Cable for Pi Cameras | 15 Pin MIPI CSI
(61 cm ribbon) |
24â ribbon cable for Pi cameras | http://www.ebay.com 24" Flex cable for Pi cam | $7.99 + Free | ||||
| Flex Cable for Pi Cameras | 15 Pin MIPI CSI
(300-600 cm ribbon) |
36-72â ribbon cable for Pi cameras | http://www.adafruit.com Pi Camera Cable 36-72" | $3.95-$5.95
~$4.00 ship | ||||
| 40 pin Straight Extension Board | 40 GPIO | 40 pin Straight Type Extension Board for Raspberry PI Type B+ and A+ | http://www.ebay.com 40 Pin extension board for A+ B+ | $3.59 + free | ||||
| 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+ | http://www.ebay.com Tee extension boad | $9.99 + free | ||||
| Solar & Power | ||||||||
| Renogy 30W Monocrystalline Solar Panel | Insulated Two Conductor Wire | 30 Watt Monocrystalline Solar Panel, 12 Volt 1.7A, Dimensions:13.5X23.8X1â | http://www.ebay.com 30 Watt solar Panel 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 | http://www.ebay.com 25 Watt Solar Panel ships from USA | $35 + $10 | ||||
