PiTrac DIY Parts List

This document provides a comprehensive list of all components needed to build a PiTrac launch monitor.

Only a single RPi5 is currently supported, however the path to stereoscopic vision currently requires two

Computing Hardware

Quantity	Hardware	Purpose	Link
1	Raspberry Pi 5 (8 GB recommended)	Main embedded computer	https://vilros.com/products/raspberry-pi-5?variant=40065551302750
1	Active Cooler Kit	Required to keep temps low and timing consistent	https://a.co/d/dsl7saU
1	MicroSD card (64 GB recommended)	For RPi5 filesystem	https://www.amazon.com/Amazon-Basics-microSDXC-Memory-Adapter/dp/B08TJTB8XS
1	1ft USB-C to USB-C Cable	For powering RPi5 from connector board	https://www.amazon.com/Anker-Charging-MacBook-Samsung-Nintendo/dp/B09H2DMR4K

Camera and Lighting Hardware

Quantity	Hardware	Purpose	Link
2	Innomaker GS Camera Module with IMX296 Mono Sensor	RPi compatible GS cameras	https://www.inno-maker.com/product/cam-mipi296raw-trigger/
2	Pi 5 FPC Camera Cable – 22-pin 0.5 mm to 15-pin 1 mm – 300 mm	Conversion cables for RPi5’s smaller CSI ports	https://www.adafruit.com/product/5819
2	6 mm 3 MP Wide Angle Lens	For GS camera	https://www.adafruit.com/product/4563
1-2	1″ × 1″ IR Longpass Filter	Must be a longpass filter, allowing >= 700nm light to pass	https://www.edmundoptics.com/p/1quot-x-1quot-optical-cast-plastic-ir-longpass-filter/5421/
1	USB COB LED Strip Lights – 6.56 ft	For lighting the teed-up ball. Must produce no infrared light	https://www.amazon.com/Aclorol-Powered-Daylight-Flexible-Backlight/dp/B0D1FYV3LM/

Power Components

Quantity	Hardware	Purpose	Link
1	Meanwell LRS-75-5	Provides plenty of power and forms base of unit	https://www.digikey.com/en/products/detail/mean-well-usa-inc/LRS-75-5/7705056
1	AC Power Inlet C14 with Fuse	For base box power input	https://www.amazon.com/IEC320-Socket-Holder-Module-Connector/dp/B081ZFHRGW/
1	18ga Solid-core Wire Spools	For Input Power	https://www.amazon.com/TUOFENG-Wire-Solid-different-colored-spools/dp/B085QD9DWP
1	22ga Solid-core Wire Spools	For IR LED Wiring	https://www.amazon.com/TUOFENG-Hookup-Wires-6-Different-Colored/dp/B07TX6BX47

V3 Connector Board BOM

TP2 is optional

If you are searching for alternates, ensure you also filter for “In Stock”, “RoHS Compliant” and “Exclude Marketplace Products”.

Quantity	Reference Designators	Manufacturer	Manufacturer Part Number	Link	Digikey Filters
1	C1	KEMET	A750BK107M1AAAE024	https://www.digikey.com/en/products/detail/kemet/A750BK107M1AAAE024/13420054	Lead Spacing = 2.00mm, Voltage - Rated >= 10V, Ripple Current @ High Frequency >= 1A, Mounting Type = Through Hole
2	C2,C11	Vishay Beyschlag/Draloric/BC Components	K105K20X7RF5TH5	https://www.digikey.com/en/products/detail/vishay-beyschlag-draloric-bc-components/K105K20X7RF5TH5/2820552	Temperature Coefficient = X7R, Voltage - Rated >= 35V, Lead Spacing = 5.00mm, Capacitance = 1uF, Size / Dimension <= 5.50mm x 4.00mm, Mounting Type = Through Hole
6	C3,C8,C10,C12,C14,C15	Vishay Beyschlag/Draloric/BC Components	K104K10X7RF5UH5	https://www.digikey.com/en/products/detail/vishay-beyschlag-draloric-bc-components/K104K10X7RF5UH5/2356754	Temperature Coefficient = X7R, Voltage - Rated >= 35V, Lead Spacing = 5.00mm, Capacitance = 0.1uF, Size / Dimension <= 5.00mm x 2.60mm, Mounting Type = Through Hole
1	C4	Vishay Beyschlag/Draloric/BC Components	K471J15C0GF5UH5	https://www.digikey.com/en/products/detail/vishay-beyschlag-draloric-bc-components/K471J15C0GF5UH5/2823074	Temperature Coefficient = C0G(NP0), Lead Spacing = 5.00mm, Capacitance = 470pF, Mounting Type = Through Hole
1	C5	Murata	RDER72A105K2M1H03A	https://www.digikey.com/en/products/detail/murata-electronics/RDER72A105K2M1H03A/4771353	Voltage - Rated >= 100V, Temperature Coefficient = X7R, Capacitance = 1uF, Lead Spacing = 5.00mm, Size / Dimension <= 5.50mm x 3.50mm, Mounting Type = Through Hole
1	C6	KEMET	A750MW337M1HAAE020	https://www.digikey.com/en/products/detail/kemet/A750MW337M1HAAE020/13420041	Lead Spacing = 5.00mm, Voltage - Rated >= 50V, Capacitance >= 200uF, Ripple Current @ High Frequency >= 4A, Size / Dimension = 10.00mm, Mounting Type = Through Hole
1	C7	Vishay Beyschlag/Draloric/BC Components	K104K20X7RH5UH5	https://www.digikey.com/en/products/detail/vishay-beyschlag-draloric-bc-components/K104K20X7RH5UH5/2356756	Voltage - Rated >= 100V, Temperature Coefficient = X7R, Capactiance = 0.1uF, Lead Spacing = 5.00mm, Size / Dimension <= 5.50mm x 3.50mm, Mounting Type = Through Hole
1	C9	Murata	RCER71H475K3K1H03B	https://www.digikey.com/en/products/detail/murata-electronics/RCER71H475K3K1H03B/4277828	Temperature Coefficient = X7R, Voltage - Rated >= 35V, Lead Spacing = 5.00mm, Capacitance = 4.7uF, Size / Dimension <= 6.50mm x 4.00mm, Mounting Type = Through Hole
3	D1	Vishay General Semiconductor - Diodes Division	SB150-E3/73	https://www.digikey.com/en/products/detail/vishay-general-semiconductor-diodes-division/SB150-E3-73/2142188	Technology = Schottky, Current - Average Rectified (Io) >= 1A, Voltage - DC Reverse (Vr) (Max) >= 40V, Package / Case = [(DO-204AC,DO-41,Axial), (DO-204AL,DO-41,Axial)]
1	D2	Lite-On Inc.	LTL-307G	https://www.digikey.com/en/products/detail/liteon/LTL-307G/669998	Color = Green, Lens Transparency = Diffused, Lens Size = 5.00mm Dia
1	D4	Vishay General Semiconductor - Diodes Division	SD103A-TR	https://www.digikey.com/en/products/detail/vishay-general-semiconductor-diodes-division/SD103A-TR/3104157	Technology = Schottky, Voltage - Forward (Vf) (Max) @ If <= 650mV @ 50mA, Package / Case = (DO-204AH,DO-35,Axial)
1	D5	Lite-On Inc.	LTL-307E	https://www.digikey.com/en/products/detail/liteon/LTL-307E/669997	Color = Red, Lens Transparency = Diffused, Lens Size = 5.00mm Dia
2	J1,J4	Amphenol Anytek	YK3210203000G	https://www.digikey.com/en/products/detail/amphenol-anytek/YK3210203000G/4961227	TBD
2	J2,J5	GCT	USB4085-GF-A	https://www.digikey.com/en/products/detail/gct/USB4085-GF-A/9859662	Unfilterable. Manually search, there will be alternates that can fit.
1	J3	Adam Tech	PH1-08-UA	https://www.digikey.com/en/products/detail/adam-tech/PH1-08-UA/9830442	Number of Positions = 8, Number of Rows = 1, Pitch - Mating = 2.54mm, Shrouding = Unshrouded, Mounting Type = Through Hole
1	J6	GCT	USB1125-GF-B	https://www.digikey.com/en/products/detail/gct/USB1125-GF-B/12819955	Unfilterable. Manually search, there will be alternates that can fit.
1	L1	Bourns Inc.	RLB0914-330KL	https://www.digikey.com/en/products/detail/bourns-inc/RLB0914-330KL/2561360	8.50mm <= Size / Dimension <= 9.00mm, 27uH <= Inductance <= 39uH
2	Q1,Q2	Infineon Technologies	IRLU024NPBF	https://www.digikey.com/en/products/detail/infineon-technologies/IRLU024NPBF/812400	Technology = MOSFET, FET Type = N-Channel, Current - Continuous Drain (Id) @ 25C >= 10A, Vgs(th) (Max) @ Id <= 4.6V @ 250uA, Drain to Source Voltage (Vdss) >= 38V, Mounting Type = Through Hole, Package / Case = [(TO-251-3 Short Leads,IPAK,TO-251AA), (TO251-3 Stub Leads,IPAK)]
1	Q3	Microchip Technology	TN2106N3-G	https://www.digikey.com/en/products/detail/microchip-technology/TN2106N3-G/4902377	Technology = MOSFET, FET Type = N-Channel, Vgs(th) (Max) @ Id <= 2V @ 500uA Mounting Type = Through Hole, Package / Case = (TO-226-3,TO-92-3(TO-226AA))
1	Q4	onsemi	2N3904TFR	https://www.digikey.com/en/products/detail/onsemi/2N3904TFR/458818	Search = “2N3904”, Transistor Type = NPN, Mounting Type = Through Hole, Package / Case = [(TO-226-3,TO-93-3(TO-226AA)), (TO-226-3,TO-92-3(TO-226AA) Formed Leads), (TO-226-3,TO-92-3 Long Body, Formed Leads)]
1	R1	Yageo	PNP300JR-73-0R15	https://www.digikey.com/en/products/detail/yageo/PNP300JR-73-0R15/2058854	Power (Watts) >= 3W, Tolerance >= 1%, Resistance = 150mohm, Size /Dimension <= 6.00mm x 16.00mm
1	R2	Yageo	KNP1WSJT-52-180R	https://www.digikey.com/en/products/detail/yageo/KNP1WSJT-52-180R/9119594	Power (Watts) >= 1/2W, Tolerance >= 1%, Resistance = 180ohm, Size / Dimension <= 3.50mm x 9.00mm
1	R3	Yageo	MFR-25FRF52-60K4	https://www.digikey.com/en/products/detail/yageo/MFR-25FRF52-60K4/15056	Power (Watts) = 1/4W, Tolerance = 1%, Resistance = 60.4kohm
1	R4	Yageo	MFR-25FRF52-2K2	https://www.digikey.com/en/products/detail/yageo/MFR-25FRF52-2K2/9138953	Power (Watts) = 1/4W, Tolerance = 1%, Resistance = 2.2kohm
1	R5	Yageo	MFR-25FTE52-2K49	https://www.digikey.com/en/products/detail/yageo/MFR-25FTE52-2K49/9140029	Power (Watts) = 1/4W, Tolerance = 1%, Resistance = 2.49kohm
4	R6,R8,R17,R22	Yageo	MFR-25FRF52-1K	https://www.digikey.com/en/products/detail/yageo/MFR-25FRF52-1K/14891	Power (Watts) = 1/4W, Tolerance = 1%, Resistance = 1kohm
1	R7	Yageo	MFR-25FRF52-75K	https://www.digikey.com/en/products/detail/yageo/MFR-25FRF52-75K/15065	Power (Watts) = 1/4W, Tolerance = 1%, Resistance = 75kohm
1	R9	Yageo	MFR-25FTE52-120R	https://www.digikey.com/en/products/detail/yageo/MFR-25FTE52-120R/9139747	Power (Watts) = 1/4W, Tolerance = 1%, Resistance = 120ohm
1	R10	Yageo	KNP100JR-73-0R1	https://www.digikey.com/en/products/detail/yageo/KNP100JR-73-0R1/9119173	Power (Watts) >= 1W, Tolerance >= 1%, Resistance = 100mohm, Size / Dimension <= 4.60mm x 12.00mm
1	R11	Yageo	MFR-25FRF52-604R	https://www.digikey.com/en/products/detail/yageo/MFR-25FRF52-604R/14870	Power (Watts) = 1/4W, Tolerance = 1%, Resistance = 604ohm
1	R12	Yageo	MFR-25FBF52-6K04	https://www.digikey.com/en/products/detail/yageo/MFR-25FBF52-6K04/13177	Power (Watts) = 1/4W, Tolerance = 1%, Resistance = 6.04kohm
2	R13,R21	Yageo	MFR-25FRF52-2K	https://www.digikey.com/en/products/detail/yageo/MFR-25FRF52-2K/14920	Power (Watts) = 1/4W, Tolerance = 1%, Resistance = 2kohm
1	R14	Yageo	MFR-25FRF52-3K	https://www.digikey.com/en/products/detail/yageo/MFR-25FRF52-3K/9139012	Power (Watts) = 1/4W, Tolerance = 1%, Resistance = 3kohm
1	R15	Yageo	MFR-25FRF52-10K	https://www.digikey.com/en/products/detail/yageo/MFR-25FRF52-10K/14626	Power (Watts) = 1/4W, Tolerance = 1%, Resistance = 10kohm
3	R16,R19,R23	Yageo	ZOR-25-R-52-0R	https://www.digikey.com/en/products/detail/yageo/ZOR-25-R-52-0R/18795	Power (Watts) = 1/4W, Resistance = 0ohm
1	R18	Yageo	MFR-25FRF52-10K	https://www.digikey.com/en/products/detail/yageo/MFR-25FRF52-10K/14626	Power (Watts) = 1/4W, Tolerance = 1%, Resistance = 10kohm
1	TP2	Keystone Electronics	5011	https://www.digikey.com/en/products/detail/keystone-electronics/5011/255333	Color = Black, Mounting Type = Through Hole, Hole Diameter = 1.60mm
1	U1	Texas Instruments	MC33063AP	https://www.digikey.com/en/products/detail/texas-instruments/MC33063AP/717430	Search = “MC34063” or “MC33063”, Voltage - Output (Max) = 40V (Switch), Package / Case = 8-DIP (0.300”, 7.62mm)
1	U2	onsemi	LM317LBZRAG	https://www.digikey.com/en/products/detail/onsemi/LM317LBZRAG/1476805	Search = “LM317”, Package / Case = [(TO-226-3, TO-92-3 (TO-226AA)), (TO-226-3, TO-92-3 Long Body), (TO-226-3, TO-92-3 (TO-226AA) Formed Leads), (TO-226-3, TO-92-3 Long Body, Formed Leads)]
1	U3	Microchip Technology	MCP1407-E/P	https://www.digikey.com/en/products/detail/microchip-technology/MCP1407-E-P/1228640	Some alternates exist but difficult to filter. Microchip Technology TC4420xxx is another widely available part that should be drop in. Input Type = Non-Inverting
1	U5	Microchip Technology	MCP4801-E/P	https://www.digikey.com/en/products/detail/microchip-technology/MCP4801-E-P/2332804	MCP4901-E/P is a valid alternate with caveats. !Requires populating C13 and U4!
1	U6	Microchip Technology	MCP3202-CI/P	https://www.digikey.com/en/products/detail/microchip-technology/MCP3202-CI-P/305924	MCP3202-BI/P is a valid alternate. All other alternates require software changes.

IRLED BOM

Quantity	Reference Designators	Manufacturer	Manufacturer Part Number	Link
10	D6,D7,D8,D9,D10,D11,D12,D13,D14,D15	Vishay Semiconductor Opto Division	VSMA1085400	https://www.digikey.com/en/products/detail/vishay-semiconductor-opto-division/VSMA1085400/15786357

Hardware - Bolts and Nuts

Version 2 Enclosure Hardware (Work in Progress)

Quantity	Hardware	Purpose
2	M3 × 8 mm self-tapping screws	AC power inlet plug
2	M3 × 8 mm self-tapping screws	Base box end-cap
12	M2 × 6 mm self-tapping screws	Tower back/front plate alignment
4	M4 × 12 mm self-tapping screws	Tower feet to base box
4	M2.5 × 8 mm self-tapping screws	To mount Pi to backplane. OPTIONALLY - if using threaded inserts, use M2.5x6 allan-head bolts instead.
4	M3 × 8 mm self-tapping screws	Version 2 Connector board to backplane. OPTIONALLY - if using threaded inserts, use M3x6 allan-head bolts instead.
4	M2.5 x 4 x 3.5 mm threaded inserts	Optional if you want to use the (classier) inserts and bolts to mount the Pi to backplane. 4 inserts per Pi, so typically 4
4	M3 x 4 x 5 mm threaded inserts	Optional if you want to use the (classier) inserts and bolts to mount the V2 Connector Board to the backplane.

Version 1 Base Enclosure Hardware (DEPRECATED)

Quantity	Hardware	Purpose
4	M4 × 12 mm screws	LED power supply hold-downs
4	M2.5 × 12 mm bolts + nuts	Pi board bolt-down
4	M2.5 × 10 mm bolts (3) + M2.5 × 12 mm (1)	Pi board bolt-down
8	M2.5 × 16 mm bolts + nuts	Pi camera attachment bolts
6	M4 × 12 mm bolts + nuts	Pi camera gimbal attachment
2	M5 × 12 mm bolts + nuts	Pi camera swivel mount
6	M3 × 16 mm bolts + nuts	Horizontal center-side body attachment
18	M3 × 10 mm self-tapping screws	Floor hold-down screws
8	M3 × 8 mm screws	LED and lens hold-down screws

Hardware Note: Stainless steel screws are stronger than black carbon steel and recommended, especially with PLA material. See stainless steel assortment kit for bulk purchasing. See also, e.g., [Ktehloy 400PCS Metric Threaded Inserts Kit X00401F0FF] (https://www.amazon.com/Ktehloy-Threaded-Assortment-Printing-Components/dp/B0CLKDPN65/ref=sr_1_3?crid=19PRGAMM0LHSC&dib=eyJ2IjoiMSJ9.Rwsrmvqhye5n_e2-oLfoTLv-TOZLNmyo9SCxwiWbrBF3F48asfcsFaweejcdlejptJv2IgbgSI9b_fYNDvP0z63_HYLbkK1DxQJRovFyJOPbu7kot4lM8tWm0fSAduOkOMHFGON2AOGW_PzK8Y1bGGbTOYQRmvlBeWGJrrqeBAx06ICeqf45Rs377sifWzJxeMTir0taClnzKET0RhBHmPASUQJtJrpnMhXlvtMGOcY.tjo7j88V1UyOlHfVfn5sdCBAxN53_RYHB8SW6v9ZP50&dib_tag=se&keywords=Ktehloy+%22400PCS%22+Metric+Threaded+Inserts+Kit&qid=1761691920&sprefix=ktehloy+400pcs+metric+threaded+inserts+kit%2Caps%2C126&sr=8-3)