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Here is everything you need to create your own STELLA including print instructions for the 3D printed parts and elements that need to be purchased.
Required 3D Parts for Handheld STELLA-1.1
Screen Mount
Download .STL
Thermal IR Sensor Spacer
Download .STL
Thermal IR sensor spacer 3D Printing notes:
Works well in multiples.
0.1 mm layers, “Detail” setting
Lower Housing
Download .STL
Lower Housing 3D Printing notes:
- Print without supports.
- Works well to print up to 4 at a time.
- 0.2 mm layers, “Quality” or “Detail” setting.
- Set filament changes at 0.6 mm and 1.8 mm, print black, white, black.
Processor Spacer
Download .STL
Feather Spacer 3D Printing notes:
Works well in multiples. 0.1 mm layers, “Detail” setting
Choose 3D Housing Cover for Handheld STELLA-1.1
Standard Cover
Download .STL
Cover - Lidar
Download .STL
* Use with Lidar mount
Cover - LIDAR & GPS
Download .STL
* Use with Lidar mount and GPS stand
Housing Cover 3D Printing notes:
- Print without supports.
- Works well to print up to 2 at a time.
- 0.2 mm layers, “Quality” or “Detail” setting.
- Set filament changes at 0.6 mm and 1.8 mm, print white, blue, white.
Non-Required 3D Parts for STELLA-1.1
Lidar Mount
Download .STL
Swath Stand
Download .STL
Cuvette Mount
Download .STL
Styrofoam Mount
Download .STL
Parts to Purchase
| Item | Description | Quantity | $ Each Approx | Vendor | Part Number | Vendor URL |
|---|---|---|---|---|---|---|
| 1 | Perma-Proto Circuit Board, Full Size | 1 | $7 | Adafruit Industries | 1606 | https://www.adafruit.com/product/1606 |
| 2 | wire, solid, black, 24 AWG (22-26 AWG OK) | 30cm | $4 | Adafruit Industries | 3174 | https://www.adafruit.com/product/3174 |
| 3 | wire, solid, red, 24 AWG (22-26 AWG OK) | 30cm | $4 | Adafruit Industries | 3174 | https://www.adafruit.com/product/3174 |
| 4 | wire, solid, yellow, 24 AWG (22-26 AWG OK) | 30cm | $4 | Adafruit Industries | 3174 | https://www.adafruit.com/product/3174 |
| 5 | wire, solid, green, 24 AWG (22-26 AWG OK) | 30cm | $4 | Adafruit Industries | 3174 | https://www.adafruit.com/product/3174 |
| 6 | wire, solid, blue, 24 AWG (22-26 AWG OK) | 30cm | $4 | Adafruit Industries | 3174 | https://www.adafruit.com/product/3174 |
| 7 | wire, solid, violet, 24 AWG (22-26 AWG OK) | 30cm | $4 | Adafruit Industries | 3174 | https://www.adafruit.com/product/3174 |
| 8 | wire, solid, grey, 24 AWG (22-26 AWG OK) | 30cm | $4 | Adafruit Industries | 3174 | https://www.adafruit.com/product/3174 |
| 9 | wire, solid, white, 24 AWG (22-26 AWG OK) | 30cm | $4 | Adafruit Industries | 3174 | https://www.adafruit.com/product/3174 |
| 10 | solder, lead-free, SAC 305 alloy | 50cm | $15 | Adafruit Industries | 1930 | https://www.adafruit.com/product/1930 |
| 11 | capacitor, 10uF 25V | 1 | $1 | Digi-Key | 493-10451-1-ND | https://www.digikey.com/en/products/detail/nichicon/UMA1E100MDD1TP/4312710?s=N4IgTCBcDaICwE4DMBaAjABjgVjelAcgCIgC6AvkA |
| 12 | Header Pins, 36 positions | 3 | $5 | Adafruit Industries | 392 | https://www.adafruit.com/product/392 |
| 13 | Current Limiting Resistor, 100Ω | 1 | $1 | Adafruit Industries | 4293 | https://www.adafruit.com/product/4293 |
| 14 | LED (Light Emitting Diode) | 1 | $4 | Adafruit Industries | 299 | https://www.adafruit.com/product/299 |
| 15 | heat shrink tubing, DIA 1.5 - 3mm x 15mm 1 each | 1 | $5 | Adafruit Industries | 1649 | https://www.adafruit.com/product/1649 |
| 16 | Tactile Pushbutton Switch + Cap | 1 | $6 | Adafruit Industries | 1009 | https://www.adafruit.com/product/1009 |
| 17 | Push-on, push-off type power switch | 1 | $2 | Digi-Key | CW181-ND | https://www.digikey.com/en/products/detail/cw-industries/GPTS203211B/3190590?s=N4IgTCBcDaIMIHUCMAOJBaAcgERAXQF8g |
| 18 | Adalogger Data Logger FeatherWing | 1 | $9 | Adafruit Industries | 2922 | https://www.adafruit.com/product/2922 |
| 19 | Feather M4 Express | 1 | $23 | Adafruit Industries | 3857 | https://www.adafruit.com/product/3857 |
| 20 | Stacking Headers, 12 position and 16 position | 1 | $1 | Adafruit Industries | 2830 | https://www.adafruit.com/product/2830 |
| 21 | Near Infrared Spectrum Sensor (AS7263) | 1 | $26 | SparkFun Electronics | SEN-14351 | https://www.sparkfun.com/products/14351?gclid=CjwKCAiAleOeBhBdEiwAfgmXf6YatXijvb-PZj_5Z7h3F7WSurokz7oeKJ8zPBlA2ltiKYxQ_UL8YxoC7nMQAvD_BwE |
| 22 | Air Temperature Sensor (MCP9808) | 1 | $5 | Adafruit Industries | 1782 | https://www.adafruit.com/product/1782 |
| 23 | Pressure and Humidity Sensor (BME280) | 1 | $20 | Adafruit Industries | 2652 | https://www.adafruit.com/product/2652 |
| 24 | Visible Spectrum Sensor (AS7262) | 1 | $20 | Adafruit Industries | 3779 | https://www.adafruit.com/product/3779 |
| 25 | Infrared Thermometer Sensor 35º FOV | 1 | $25 | Future Electronics | MLX90614ESF-BCC-000-TU | Future Electronics |
| 26 | TFT Touch Screen Display (Thin Film Transistor) | 1 | $30 | Adafruit Industries | 3315 | https://www.adafruit.com/product/3315 |
| 27 | CR1220 Clock Battery | 1 | $1 | Adafruit Industries | 380 | https://www.adafruit.com/product/380 |
| 28 | SD micro card, micro SD to full size SD adapter | 1 | $10 | Adafruit Industries | 1294 | https://www.adafruit.com/product/1294 |
| 29 | micro SD to USB A adapter | 1 | $7 | Adafruit Industries | 939 | https://www.adafruit.com/product/5212 |
| 30 | Lithium Ion Rechargeable Battery, Cylindrical | 1 | $10 | Adafruit Industries | 1781 | https://www.adafruit.com/product/1781 |
| 31 | USB cable, micro b to A | 1 | $3 | Adafruit Industries | 592 | https://www.adafruit.com/product/592 |
| 32 | USB cable, micro b to C | 1 | $3 | Adafruit Industries | 3879 | https://www.adafruit.com/product/3879 |
| 33 | Full size breadboard, for use as assembly fixture | 1 | $6 | Adafruit Industries | 239 | https://www.adafruit.com/product/239 |
| 34 | Optional: Connector | 1 | $0.19 | Digi-Key | 455-1705-ND | https://www.digikey.com/en/products/detail/jst-sales-america-inc/B3B-PH-K-S-LF-SN/926612 |
| 35 | Optional: remote pushbutton switch | 1 | $7.50 | Adafruit Industries | 4431 | https://www.adafruit.com/product/4431 |
| 36 | Optional: remote switch cable | 1 | $0.75 | Adafruit Industries | 4336 | https://www.adafruit.com/product/4336 |
| Parts, total cost: | $273 |
Alternate Parts to Purchase
| Item | Description | Quantity | $ Each Approx | Vendor | Part Number | Vendor URL |
|---|---|---|---|---|---|---|
| 1 | 2.4” TFT touch screen display breakout | 1 | 30 | Adafruit | 2478 | https://www.adafruit.com/product/2478 |
| 2 | TSC2007 touch screen controller | 1 | 5 | Adafruit | 5423 | https://www.adafruit.com/product/5423 |
| 3 | Solder-able Breadboard - Mini | 1 | 3.50 | Sparkfun | 12072 | https://www.sparkfun.com/product/12072 |
| *4 | Short Socket Headers for Feather | 1 | 1.50 | Adafruit | 2940 | https://www.adafruit.com/product/2940 |
| *4 | Short Socket Headers for Raspberry Pi Pico | 1 | 1.25 | Adafruit | 5585 | https://www.adafruit.com/product/5585 |
* Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
