Smart agricultural irrigation system
This Design Dossier for a sensor-equipped irrigation controller was built by the Anvil engine from a paragraph of plain English, using open engineering libraries and real component prices. It shows the buildable design, costs and engineering evidence delivered within a few days.
A few days
Delivery
47
Components Specified
Live Excel
Workbook
<$100
Target Unit Cost
What the founder described
The founder submitted this plain-English description:
- Solar-powered with 7-day battery backup
- Short-message and 2G mobile connectivity for remote monitoring
- Soil moisture sensors with 50m wireless range
- Weather-resistant housing rated to Ingress Protection 65
- Target cost: under $100 at 10,000 units
Product Architecture
Modular design optimised for low-cost manufacturing and field serviceability.
Form Factor
300mm x 200mm x 100mm control unit + wireless sensor nodes
Housing
Ultraviolet-resistant polycarbonate, standard enclosures
Water-Contact Parts
Stainless steel and brass
Total Components
Under 50 parts
Connectivity
Dual 2G mobile and narrowband cellular with short-message fallback
Power
Solar-powered with 7-day battery backup
Bill of materials preview
Cost modelling at three production volumes. The full bill of materials includes 47 line items — here are the key components.
| Component | 1K | 10K | 100K |
|---|---|---|---|
| SIM868 GSM/GPRS + GPS Module | $4.20 | $3.10 | $2.40 |
| UV-Resistant Polycarbonate Enclosure | $6.80 | $4.50 | $3.20 |
| 10W Monocrystalline Solar Panel | $8.50 | $6.20 | $4.80 |
| Capacitive Soil Moisture Sensor | $2.90 | $1.80 | $1.20 |
| 18650 Li-Ion Battery Pack (7-day) | $11.00 | $8.40 | $6.50 |
Prices are indicative and based on real component catalogue data available at the time of generation.
Design-for-manufacturing highlights
Design-for-manufacturing recommendations that reduce cost and improve producibility.
Local Assembly in East Africa
Design for assembly in Kenya or Uganda to reduce import duties by up to 25% and support local supply chains.
Replace Custom Connectors
Automotive-grade weatherproof connectors reduce per-unit cost by 30% vs custom alternatives, with better availability.
Standard Enclosures Over Custom Tooling
Off-the-shelf weather-resistant enclosures (rated to Ingress Protection 65) eliminate $15,000+ in injection mould tooling costs for initial production runs.
Field-Repairable Design
All components accessible with basic tools available in rural hardware shops. No specialised equipment required.
Competitive Benchmarking
Market positioning analysis against existing solutions.
| Product | Price | Positioning |
|---|---|---|
| SunCulture RainMaker2 | $450 | Premium |
| iSense Controller | $250 | Mid-range |
| Basic Drip Kit | $80 | Budget |
| This product (Anvil output) Fractional Forge | $95-100 | Smart and affordable |
Certification Roadmap
Regulatory pathway mapped automatically based on product type, target markets, and component selection.
- Conformité Européenne (CE) marking for electronic components
- Ingress Protection rating 65 testing for water and dust resistance
- Federal Communications Commission and local telecom approval for 2G mobile modules
- Solar panel efficiency certification
- Restriction of Hazardous Substances (RoHS) compliance for European Union export
Traceable engineering record
The live Excel workbook links the design, component prices, true cost, financial model, engineering calculations and regulatory risks so that each figure can be checked.
Traditional vs Fractional Forge
Traditional Approach
- 4–8 weeks timeline
- £5,000–£15,000 in freelance fees
- Multiple freelancers to coordinate
- Static deliverables
With Fractional Forge
- Delivered within a few days
- £2,500 per Design Dossier
- Built by the Anvil engine
- Live Excel workbook with traceable formulas
Get your own Design Dossier
Describe your idea in a short brief. The Anvil engine builds a live Excel workbook containing a buildable design, costed bill of materials, true cost and financial model, engineering drawings, worked calculations, and a risk and regulatory register. It is delivered within a few days. Fractional Forge does not review the engineering, so your own engineers should check it.
Start a brief£2,500 per Design Dossier, or £6,000 a month for up to three.