bill_of_materials.md

• Initial article: https://developer.run/50
• Status update 1: https://developer.run/63

Type	Name	$
Case	228x182x46mm Waterproof Plastic Tool box Shockproof Airtight Container Storage Box resistant fall safety case	14.57
Display & Driver board	9 inch 1024*600 HDMI Screen LCD Display with Driver Board Monitor for Raspberry Pi Banana/Orange Pi Mini computer	25.65
Display cable (50pin)	10PCS FPC Ribbon Flexible Flat CABLE PITCH 0.5MM 100MM A-Type 4P 6P 8P 10P 12P 16P 20P 30P 40P FFC WIRE 6/10/12/16/20/30/40 pin	1.02
Display cable connector	2PCS FPC FFC Flexible Flat Cable Extension Board 0.5 mm Pitch 6 8 10 12 14 20 30 40 50 PIN Connector	1.81
Charger extension	10cm Micro USB Female to Micro USB Male F/M Extension Extender Date Charging Short OTG Cable Black 20CM 50CM 10CM 1m 1.5m 2m	0.91
Keyboard	Hot-sale Tablet Case Cover Keyboard General Wired Keyboard Flip Holster Case For Andriod Mobile Phone 4.2''-6.8'' 1018#C	7.70
Micro USB to USB	Exquisite Micro Female To USB Male Converter Changing phone Data Connector Mini Portable For Samsung Galaxy S8 S9 Note 8	1.34
Carbon film	127 cm * 10 cm 3D carbon fiber car color film body sticker car decoration stickers 10 colors optional Car Accessories	1.0
HDMI-HDMI connector	Raspberry Pi 4B model 3B+ LCD HDMI Adapter connector	0.85
Buttons	10PCS KCD11 SPST 2PIN red mini Push Button rocker Switch ON/OFF boat power switches 3A/250V 6A/125V 1015MM 1015 2 pin	0.82
M3 Spacers (23mm)	Brass Standoff Spacer M3 Female x M3 Female 20mm 21mm 23mm 60mm Long Pillars Nut Free Shipping	6.69
M2.5 Spacers (12mm)	50PCS M2.5 Hex Nut Spacing Screw 5/6/8/10/12mm Female Brass Threaded Pillar PCB Motherboard Standoff Spacer Kit	3.11
Bolts (M2.5x20; M3x10)	50Pcs 1.6mm 2mm 2.5mm 3mm 304 stainless steel cross flat head screw countersunk head screw M1.6M2M2.5M3*4/6/8/10-25	4.91
Cable Ties	300 Pcs Nylon Cable Self-locking Plastic Wire Zip Ties Set 3100 3150 4*200 MRO & Industrial Supply Fasteners & Hardware Cable	3.33
Electrical Tape	9M Wire Flame Retardant Electrical Insulation Tape Electrical High Voltage PVC Tape Waterproof Self-adhesive Electrician Tape	1.11

Update

Type	Name	$
Trackball	ICSH044A ICSTATION for Blackberry Trackball Breakout Board Module 2.5V-5.25V	3.51
Trackball driver	Adafruit QT Py RP2040	9.95
SSD	Taifast m.2 ngff sata3 SSD for laptop desktop hard disk 2242 2280 Computer Accessories 64gb 120gb 240gb 256gb 512gb 1tb ssd	13.39
SSD Enclosure	Transcend CM42	16,00
USB 2.0 & 3.0 Hub	USB Hub 2.0 Multi USB Splitter 4 Ports Hab For PC	4.74
USB 3.0 Hub -> SSD Cable	Ultra short USB C Cable 12cm USB 3.1 Gen.1 USB 3.0 A male to type c male fast charger charging sync data cable cord 5Gpbs 3A 60W	5,09
USB 3.0 Hub -> RPi Cable (S1A-S4B, 30cm)	FPV USB 3.0 Type-A Axial Elbow 90 Degree Adapter 5cm-300cm FPC Ribbon Flat USB Cable for HDTV AV Multicopter Aerial Photography	5,42
Heatsink (FAN 4mm)	Pure Copper Heatsink Raspberry Pi 4 Protective Case Cooling Fan Protective Shell Metal Enclosure for Raspberry Pi 4B Mod	20,15
Magnetic Power Cable	FONKEN Magnet Cable 90 Degree Magnetic Charger Cable Gaming Charging Cable Wire L Bend Type Phone Cable For Xiomi Huawei Samsung	20,15

Waiting

Type	Name	$
MicroSD extender	48CM/60CM SD card Female to TF micro SD Male ( SD to SD , TF to TF )Flexible Card Extension cable Extender Adapter reader	2.23
3.5mm angle	QYFANG 3.5mm Gold Plated Copper Earphone Plug Audio Jack 2/3/4 Pole Stereo Metal Adapter Headphone L-Type Bend Wire Connector	2.62
Trackball	ICSH044A ICSTATION for Blackberry Trackball Breakout Board Module 2.5V-5.25V	3.51
Trackball driver board	Teensy 2.0 Teensy USB Development Board	4.94
SSD	Taifast m.2 ngff sata3 SSD for laptop desktop hard disk 2242 2280 Computer Accessories 64gb 120gb 240gb 256gb 512gb 1tb ssd	13.39
USB 2.0 Flexible Cable	Super Flat flexible Up & Down & Left & Right Angled 90 Degree USB Micro USB Male to USB male Data Charge connector Cable	2.45
USB 2.0 Flexible Cable	Key Chain Micro USB Type C Lightning Cable Fast Charging Cable For Samsung S10 A51 A71 Note10 Charger Keychain Cord Short Cabel	1.87
USB 2.0 & 3.0 Hub	USB Hub 2.0 Multi USB Splitter 4 Ports Hab For PC	4.74
USB 3.0 Extender (down)	20cm USB 3.0 Right / Left /Up/Down Angle 90 Degree Extension Cable Male To Female Adapter Cord USB Cables	1.18

Extras

Type	Name	$
USB Drive Box	Waterproof Emergency EDC Survival Health Care Seal Box Case Aluminum Pill Tank Capsule Bottle Holder Container Portable Tools	3.33
Box	50 Cal Ammo Can Steel Ammo Box Military & Army Solid Tactical Waterproof Holder Box for Long-Term Bullet Valuables Storage	37.99
"Bomb" Lighter	Outdoor Survival Tool Flint Fire Starter Permanent Match Striker Keychain Portable Million of times Key Chain Lighter Kit	3.22
Roll for cables and accessories	Mayitr Army Green Bonsai Storage Package Roll Bag Garden Repair Tool Pliers Scissors Canvas Tools Storage Bags	9.15

https://developer.run/50

Happy to see other great builds here, thank you for sharing! I've also published a status update on the original build, hope you might find something useful.