Trusted by hardware teams at
The world's first
AI-powered EDA engine.
From napkin idea to production-ready PCB — Circuit Spell handles the rest.
vs. weeks with traditional tools
Easy-to-Use Canvas
An interactive, intuitive canvas that makes designing circuits feel effortless — drag, drop, connect.
Intelligent Autorouting
Multi-layer routing with 45° trace optimization.
EDA Export
KiCad, Altium, Eagle.
Public Preview Links
Share a live preview of your board with anyone — no account needed.
Version Management
Track every iteration. Branch, compare, and roll back designs with confidence.
AI Firmware Generation
Auto-generate firmware for your PCB.
Order Directly
Order the PCB and all the modules used with ease.
Open-source modules,
production-tested.
Battle-tested designs. Full source included. Order or DIY.
ThermoSense Pro
Industrial temp sensor. ±0.1°C accuracy, I²C + SPI.
PowerRail 5V/3A
96% efficient buck converter with full protection.
LoRa Gateway
15km range, AES-128 encryption, sub-GHz.
ESP32-Core
WiFi + BLE dev core. USB-C, LiPo, 16MB flash.
PressureX
Barometric sensor with altitude calc. Drone-ready.
WiFi Bridge
Drop-in WiFi-to-UART. Works with any serial device.
From sketch to shipment.
One thread.
Design
AI-generated schematics from natural language. Describe what you need — get a production-ready schematic.
Prototype
48-hour turnaround through vetted fabs. Pick your specs, we handle the rest.
Test
Automated DRC, ERC, and signal integrity analysis. Catch issues before they cost you.
Firmware
Hardware-aware IDE with OTA deployment pipelines. Write, flash, iterate.
Manufacture
Managed supply chain, vendor QA, and logistics at any scale.
Design
AI-generated schematics from natural language. Describe what you need — get a production-ready schematic.
Prototype
48-hour turnaround through vetted fabs. Pick your specs, we handle the rest.
Test
Automated DRC, ERC, and signal integrity analysis. Catch issues before they cost you.
Firmware
Hardware-aware IDE with OTA deployment pipelines. Write, flash, iterate.
Manufacture
Managed supply chain, vendor QA, and logistics at any scale.
What people are building.
AeroSense v3
High-altitude weather station. Solar-powered, LoRa-connected.
PulseRing
Clinical-grade wearable heart monitor in a 12mm form factor.
TerraCrawler
Autonomous soil-sampling rover for precision agriculture.
Built different. Ask anyone.
“Circuit Spell cut our prototyping cycle from 6 weeks to 3 days.”
Sarah Chen
Hardware Lead, Particle Systems
“The open-source modules saved us hundreds of engineering hours.”
Marcus Rivera
CTO, AgroSense
“The only platform that actually understands the full hardware lifecycle.”
Anika Patel
VP Engineering, NovaBridge Robotics
“From idea to manufactured boards in under a week. Game changer.”
Léa Dupont
Founder, Synapse Wearables
“We replaced three separate tools with one platform. Never looking back.”
James Okoro
Lead Engineer, TerraGrid Energy
“The AI routing alone paid for itself on the first project.”
Mei Zhang
R&D Director, Luminos Medical
“Circuit Spell cut our prototyping cycle from 6 weeks to 3 days.”
Sarah Chen
Hardware Lead, Particle Systems
“The open-source modules saved us hundreds of engineering hours.”
Marcus Rivera
CTO, AgroSense
“The only platform that actually understands the full hardware lifecycle.”
Anika Patel
VP Engineering, NovaBridge Robotics
“From idea to manufactured boards in under a week. Game changer.”
Léa Dupont
Founder, Synapse Wearables
“We replaced three separate tools with one platform. Never looking back.”
James Okoro
Lead Engineer, TerraGrid Energy
“The AI routing alone paid for itself on the first project.”
Mei Zhang
R&D Director, Luminos Medical
“The AI routing alone paid for itself on the first project.”
Mei Zhang
R&D Director, Luminos Medical
“We replaced three separate tools with one platform. Never looking back.”
James Okoro
Lead Engineer, TerraGrid Energy
“From idea to manufactured boards in under a week. Game changer.”
Léa Dupont
Founder, Synapse Wearables
“The only platform that actually understands the full hardware lifecycle.”
Anika Patel
VP Engineering, NovaBridge Robotics
“The open-source modules saved us hundreds of engineering hours.”
Marcus Rivera
CTO, AgroSense
“Circuit Spell cut our prototyping cycle from 6 weeks to 3 days.”
Sarah Chen
Hardware Lead, Particle Systems
“The AI routing alone paid for itself on the first project.”
Mei Zhang
R&D Director, Luminos Medical
“We replaced three separate tools with one platform. Never looking back.”
James Okoro
Lead Engineer, TerraGrid Energy
“From idea to manufactured boards in under a week. Game changer.”
Léa Dupont
Founder, Synapse Wearables
“The only platform that actually understands the full hardware lifecycle.”
Anika Patel
VP Engineering, NovaBridge Robotics
“The open-source modules saved us hundreds of engineering hours.”
Marcus Rivera
CTO, AgroSense
“Circuit Spell cut our prototyping cycle from 6 weeks to 3 days.”
Sarah Chen
Hardware Lead, Particle Systems
“Circuit Spell cut our prototyping cycle from 6 weeks to 3 days.”
Sarah Chen
Hardware Lead, Particle Systems
“The open-source modules saved us hundreds of engineering hours.”
Marcus Rivera
CTO, AgroSense
“The only platform that actually understands the full hardware lifecycle.”
Anika Patel
VP Engineering, NovaBridge Robotics
“From idea to manufactured boards in under a week. Game changer.”
Léa Dupont
Founder, Synapse Wearables
Better together.
Hardware is a team sport. Join the engineers pushing boundaries.
Online Forum
forum.pcbcupid.com
Get design reviews, share builds, troubleshoot issues. The largest open hardware community on the web.
Hardware Hackathons
3 days of building, learning, and pushing the boundaries of hardware innovation. Cash prizes and manufacturing credits.
Edge of Intelligence
April 8–10, 2026 · DSATM, Bengaluru
Discord
3.2K online
GitHub
4.8K stars
YouTube
25K subs
Enterprise-grade
hardware support.
Big stakes? Tight deadlines? We've got you.
Custom Design
Your specs, our engineers. Concept to manufacturing files.
Technical Consulting
Thermal, EMC, and signal integrity from hardware veterans.
Manufacturing Support
Vendor selection, quality audits, and logistics — handled.
Embedded Engineering
Extra hands that ship alongside your team.