OpenSprints Kit Parts List

Welcome to the OpenSprints Parts List. In order to save on shipping costs we have tried to consolidate items to SparkFun and Digikey however several of the items are available cheaper from other distributors such as mouser.com

OpenSprints Printed Circuit Board (PCB) Kit
Image Quantity Description
1 OpenSprints Hub Circuit Board; 4 OpenSprints Sensor Circuit Boards for a maximum of 4 rollers in use Roller sensor circuit board v2.2 (Click here for pricing.), or you can have your own boards fabricated using the OpenSprints design files (see Fabricating Circuit Boards)
Unassembled OpenSprints Kit
Image Quantity Description
Everything you need Click here for pricing.
Pre-assembled and Tested OpenSprints Kit
Image Quantity Description
Ready to go Click here for pricing.
Recommended Tools

If you already have some of these tools great! If you are just getting started in the soldering world, these are solid recommendations. While there is no substitute for experience, nicer professional tools only make it easier!

Image Quantity Description Mfr Mfr P/N Supplier Supplier P/N
1 Weller WES51 Analog Solder Station 50W Cooper Industries WES51 digikey.com WES51-ND
1 Solder RA 60/40 21AWG 1LB Kester Solder 24-6040-0027 digikey.com KE1106-ND
1 Desoldering Tool Pump with Standard Tip (Solder Sucker) Paladin Tools 1700 digikey.com PAL1700-ND
1 Magnifier Double Clamp w/Stand Aven Tools 26000 digikey.com 243-1018-ND
1 Tool Side Cutter Flush ESD Wiha 32708 digikey.com 431-1057-ND
Parts for OpenSprints Hub (version 2)

Image Quantity Description Mfr Mfr P/N Supplier Supplier P/N
1 Arduino USB microcontroller board Arduino Arudino Uno Rev3 Arduino Arduino Uno Rev3
1 plastic project enclosure. (5.1" X 5.3" X 1.75") SERPAC A-31 BLACK digikey.com SRA31G-ND
10 *** These are provided with any PCB order from the OpenSprints folks. *** For mounting interface board to project enclosure. (though a flat head screw would be better, here is a screw that would work from Digi-Key )   18-8 SS Flat Head Phillips Machine Screw 4-40 Thread, 1/4" Length mcmaster.com 91771A106
Note: More of these jacks are required for each roller sensor (see below) RJ45 modular Ethernet solderable jack. Low profile. Tyco 5555164-1 digikey.com A31442-ND
1 male breakaway headers 40 pos     P/N sparkfun.com PRT-00116
1 5mm blue or white LED. Tick indicator (feel free to use any color) TT Electronics/Optek Technology OVLFB3C7 digikey.com 365-1180-ND
1 current-limiting resistors for the LEDs. For blue, green, and white LEDs, a 100 ohm resistor is recommended. Power rating can be as low as 1/8 watt. Yageo CFR-25JB-100R digikey.com 100QBK-ND
3 Female Hex Standoff, Mounting Hardware 1/4 HEX 7/16" LNGTH ALUM 440 THREAD Fascomp FC2103-440-A mouser.com 728-FC2103-440-A
Parts for OpenSprints Sensor version 2 (1 sensor per bike)

Each bike requires a separate board. Therefore if you have 4 rollers, multiply the below quantities by 4 and backups are nice.

1 Transparent plastic project enclosure. 2.26" X 1.61" X .75" SERPAC C-6 TR BL digikey.com SCR6TL-ND
1 SENSOR SS HALL EFFECT UNIPOLAR. They activate at 53 Gauss and de-activate at 20 Gauss. Note: Take care when handling Hall sensors as they are sensitive to static electricity and can easily be damaged Honeywell Sensing and Control SS441A digikey.com 480-2001-ND
2 RJ45 modular jack. Low profile. Tyco 5555164-1 digikey.com A31442-ND
1 5mm red LED. Power on and Stop indicator. Note: LED solderable legs are polarity specific (see detailed notes on installation)        
1 5mm green LED. Power on and Go indicator. Note: LED solderable legs are polarity specific (see detailed notes on installation)      
1 5mm blue or white LED. Tick indicator (feel free to use any color) TT Electronics/Optek Technology OVLFB3C7 digikey.com 365-1180-ND
1 0.1 uF bypass capacitor AVX Corporation SR205E104MAR digikey.com 478-3192-ND
1 current-limiting resistors for the LEDs. For red, orange and yellow LEDs, a 220 or 330 ohm resistor is recommended. Power rating can be as low as 1/8 watt. '''Q: What happens if you use the wrong one? A:''' It diminishes the life of the LED by ~10%. Yageo CFR-25JB-220R digikey.com 220QBK-ND
2 For blue, green, and white LEDs, a 100 ohm resistor is recommended. Power rating can be as low as 1/8 watt. '''Q: What happens if you use the wrong one? A:''' It diminishes the life of the LED by ~10%. Yageo CFR-25JB-100R digikey.com 100QBK-ND
1 H125D     Amazing Magnets H125D