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BILL OF MATERIALS
Autonomous Laser Lawn Mower — Model LLM-1000
Document No: LLM-BOM-001 | Rev: 1.0 | Date: May 2026 | Classification: Confidential
- SUMMARY BY SUBSYSTEM
Subsystem Part Range Est. Cost (USD) Description
Laser & Optical System LAS-001 – LAS-010 $28,590 Core cutting subsystem
Motion & Navigation MOT-001 – MOT-012 $6,152 Mobility and sensing
Controls & Computing CTL-001 – CTL-010 $2,552 Intelligence and comms
Power System PWR-001 – PWR-010 $3,898 Energy supply and management
Safety Systems SAF-001 – SAF-010 $1,978 Regulatory compliance
Structure & Integration STR-001 – STR-008 $2,215 Chassis and assembly
TOTAL ESTIMATED COST $45,385 Excludes software, testing & NRE costs
⚠ Cost estimates are for prototype quantity (1 unit). Volume pricing may reduce component costs 20–60%.
- LASER & OPTICAL SYSTEM
Core cutting subsystem — Class 4 / 500W fiber laser platform
Part No. Description Qty Supplier / Part Unit Cost Category
LAS-001 High-Power Fiber Laser Source (500W CW) 1 IPG Photonics YLS-500 $18,500 Laser / Optics
LAS-002 Laser Beam Delivery Head with Auto-Focus 1 II-VI Incorporated HIGHYAG $4,200 Laser / Optics
LAS-003 Galvo Scanner Mirror Assembly (2-axis) 1 Cambridge Technology 6240H $2,800 Laser / Optics
LAS-004 F-Theta Scan Lens (160mm focal length) 1 Ronar-Smith F-Theta $650 Laser / Optics
LAS-005 Laser Chiller / Cooling Unit 1 S&A CW-6200 $1,200 Laser / Optics
LAS-006 Beam Expander (3x) 1 Edmund Optics 68-167 $380 Laser / Optics
LAS-007 Beam Combiner / Splitter Optics 2 Thorlabs BS013 $210 Laser / Optics
LAS-008 Protective Window (Fused Silica) 4 Thorlabs WG41010 $140 Laser / Optics
LAS-009 Laser Safety Shutter (electromechanical) 1 SRS SR470 $320 Laser / Optics
LAS-010 Fiber Optic Cable Assembly (10m, SMA) 2 Thorlabs M200L02S-A $190 Laser / Optics
⚠ Laser system requires IEC 60825-1 Class 4 certification and local regulatory approval before operation.
- MOTION & NAVIGATION SYSTEM
4WD drive platform with autonomous navigation sensors
Part No. Description Qty Supplier / Part Unit Cost Category
MOT-001 4WD Brushless DC Drive Motors (500W each) 4 T-Motor GB54-2 $280 Motion / Drive
MOT-002 Motor Controllers / ESCs 4 Vedder VESC 75/300 $220 Motion / Drive
MOT-003 All-Terrain Rubber Wheels (12″ dia) 4 Kenda K760 Tracker $85 Motion / Drive
MOT-004 Steel Chassis Frame (powder-coated) 1 Custom Fab 6061-T6 Al $1,100 Structure
MOT-005 Differential Steering Gearbox 2 Maxon GP42C $340 Motion / Drive
MOT-006 Rotary Encoders (2500 PPR) 4 US Digital E6 $78 Motion / Drive
MOT-007 GPS / RTK Module (1cm accuracy) 1 u-blox ZED-F9P $220 Navigation
MOT-008 IMU / Accelerometer Module (9-DOF) 1 VectorNav VN-100 $850 Navigation
MOT-009 LiDAR Obstacle Sensor (360°, 20m range) 1 Ouster OS0-32 $2,400 Navigation
MOT-010 Stereo Camera Module for Vision 1 Intel RealSense D435i $380 Navigation
MOT-011 Ultrasonic Proximity Sensors 8 Maxbotix MB1240 $42 Navigation
MOT-012 Wheel Encoders Mounting Brackets 4 Custom 3D Printed PLA+ $12 Structure
- CONTROLS & COMPUTING
Real-time embedded computing, safety PLC, and communications
Part No. Description Qty Supplier / Part Unit Cost Category
CTL-001 Main Computing Unit (robotics SBC) 1 NVIDIA Jetson Orin NX 16GB $499 Computing
CTL-002 Real-Time Microcontroller (STM32H7) 1 STMicro NUCLEO-H743ZI2 $35 Computing
CTL-003 Laser Safety Controller (IEC 60825) 1 Pilz PNOZ m B0 $640 Safety
CTL-004 CAN Bus Interface Module 2 PEAK PCAN-USB $120 Computing
CTL-005 Ethernet Switch (8-port, industrial) 1 Moxa EDS-308 $280 Networking
CTL-006 Wireless Communication Module (LTE + WiFi) 1 Sierra Wireless RV55 $450 Networking
CTL-007 Emergency Stop Button (safety-rated) 2 ABB CE4P-10R-02 $45 Safety
CTL-008 Control Relay Module (DIN rail) 4 Phoenix Contact PLC-RSC-24DC/21 $38 Safety
CTL-009 HMI Touchscreen (7″, IP67) 1 Weintek cMT-SVR-100 $390 Interface
CTL-010 Status Indicator Light Stack 1 Banner K50 Tower Light $85 Interface
- POWER SYSTEM
48V LiFePO4 primary power with solar supplement and J1772 charging
Part No. Description Qty Supplier / Part Unit Cost Category
PWR-001 LiFePO4 Battery Pack (48V, 100Ah) 2 Relion RB100-LT $2,100 Energy Storage
PWR-002 Battery Management System (BMS) 1 Orion Jr 2 BMS $320 Energy Storage
PWR-003 DC-DC Converter 48V→24V (50A) 2 Vicor DCM 48V24V120A60 $280 Power Electronics
PWR-004 DC-DC Converter 48V→12V (30A) 2 Meanwell SD-500L-12 $145 Power Electronics
PWR-005 DC-DC Converter 48V→5V (20A) 1 Meanwell SD-100D-5 $88 Power Electronics
PWR-006 Solar Charging Panel (400W mono) 2 Renogy RNG-400D $310 Energy Harvest
PWR-007 MPPT Solar Charge Controller 1 Victron SmartSolar 100/50 $185 Energy Harvest
PWR-008 High-Current Power Distribution Board 1 Custom PCB (2oz copper) $195 Power Electronics
PWR-009 Smart Fuse Block with Monitoring 1 Blue Sea Systems 5026 $65 Power Electronics
PWR-010 Charging Port (J1772 compatible) 1 Duosida EVSE Level 2 $210 Charging
⚠ Battery runtime: ~4 hours laser-active operation per charge. Solar panels extend runtime in daylight.
- SAFETY SYSTEMS
Laser safety, fire detection, perimeter control, and regulatory compliance
Part No. Description Qty Supplier / Part Unit Cost Category
SAF-001 Class 4 Laser Warning Labels (set) 1 ANSI Z535.4 compliant set $45 Labeling
SAF-002 Laser Safety Enclosure Panels (polycarbonate) 6 Kentek LP-36-OD6+ $220 Enclosure
SAF-003 Infrared Laser Detection Sensor 4 Laser Components PD-LD $95 Detection
SAF-004 Boundary Wire / Perimeter System 1 Custom 14 AWG Cu, 500m spool $180 Perimeter
SAF-005 Rain / Moisture Sensors 3 Hydreon RG-11 $42 Environment
SAF-006 Smoke / Combustion Detector 2 Kidde i9050 $38 Fire Safety
SAF-007 Flame Retardant Housing (IP66 enclosure) 1 Fibox PC 604030 $240 Enclosure
SAF-008 Thermal Camera (grass fire detection) 1 FLIR Lepton 3.5 module $750 Fire Safety
SAF-009 Audible Alarm / Horn (120dB) 2 Federal Signal SelecTone 300 $58 Alerting
SAF-010 Operator Safety Goggles (OD 6+, 1064nm) 2 Kentek FG-L7050S $310 PPE
⚠ All laser safety components must comply with ANSI Z136.1 and IEC 60825-1. Consult a Laser Safety Officer (LSO).
- STRUCTURE & SYSTEM INTEGRATION
Chassis, enclosures, cabling, and mechanical assembly
Part No. Description Qty Supplier / Part Unit Cost Category
STR-001 Weatherproof Outer Body Panels (HDPE) 1 Custom molded set $860 Body
STR-002 Laser Head Mounting Arm (linear actuator) 1 Thomson MLA15 $640 Actuation
STR-003 Stainless Steel Fasteners Kit 1 M3–M12 assorted SS304 $95 Hardware
STR-004 Cable Management Conduit & Clips 1 Panduit PCMS assorted $120 Cabling
STR-005 Thermal Foam / Vibration Dampers 1 3M Scotchfoam assorted $65 Isolation
STR-006 Connector Kit (Deutsch DT, DTM series) 1 Deutsch DTP series assorted $210 Cabling
STR-007 Wire Harness Loom (10m, assorted gauges) 1 TechFlex F6 braided sleeving $85 Cabling
STR-008 Laser Aperture Cover (servo-actuated) 1 Custom design, ABS + servo $140 Enclosure
- GENERAL NOTES & ASSUMPTIONS
- All costs are USD estimates at prototype (qty 1) pricing. Production pricing subject to negotiation.
- Software, firmware development, testing equipment, and NRE (Non-Recurring Engineering) costs are excluded.
- Compliance certifications (FCC, CE, UL, EPA, CPSC) are not included in BOM costs.
- Laser operation is subject to federal and local regulations. Check with authorities before deployment.
- Substitutions may be made for equivalent components subject to engineering review.
- All weights, dimensions, and electrical ratings to be verified against final design drawings.
- Lead times for laser source and LiDAR can exceed 12–16 weeks; plan procurement accordingly.
- Batteries classified as hazardous materials — shipping and disposal per UN 3481 regulations.
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