Trusted by hardware teams at
The world's best
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.
GLYPH H2 – Bluetooth / Zigbee Enabled ESP32H2 DEV Board
Glyph-H2 Dev board supports:
- Matter
- Bluetooth 5.0
- Zigbee 3.0
- 19 GPIO pins
- 12-bit ADCs
- I2C
- SPI
- USB Serial
- UART peripheral
GLYPH C3 – Compact & Low Cost ESP32C3 DEV Board
Glyph-C3 Dev board supports:
- Wi-Fi ((802.11 b/g/n) Bluetooth 5.0
- 15 GPIO pins
- 12-bit ADCs
- I2C
- SPI
- USB Serial
- UART peripheral
GLYPH C6 – WiFi / Zigbee Enabled ESP32C6 DEV Board
Glyph-C6 Dev board supports:
- Wi-Fi (802.11 b/g/n & IEEE 802.11ax-compliant)
- Bluetooth (BLE) 5.3
- Zigbee 3.0
- 21 GPIO pins
- 12-bit ADCs
- I2C
- SPI
- USB Serial
- UART peripheral
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.
Built different. Ask anyone.
“Low cost, fully featured for quick development with ESP32-C3. The QWIIC connector is a useful addition.”
PrithviRaj Narendra
Embedded Systems Consultant
“Great Product. This Board is a game changer for every Beginners since it has inbuilt wireless operations. Underrated product, Must BUY!!!”
Kartis
Influencer
“It's an excellent and well-built product.”
Avinash P.
Technology Manager, Baramati Foundation
“The board is really high quality with crisp clear silkscreen. I was flabbergasted with the documentation quality. Really great work Team. All the best 🔥”
Padmalaya Rawal
Founder, Electrobuffin, Temple
“Exceptional quality at affordable price. I felt like seeing a product equivalent to Adafruit, sparkfun etc. Congrats to your team 🤜 keep rocking”
Hariharasudhan B
Embedded electronics Engineer, Future Devices
“Low cost, fully featured for quick development with ESP32-C3. The QWIIC connector is a useful addition.”
PrithviRaj Narendra
Embedded Systems Consultant
“Great Product. This Board is a game changer for every Beginners since it has inbuilt wireless operations. Underrated product, Must BUY!!!”
Kartis
Influencer
“It's an excellent and well-built product.”
Avinash P.
Technology Manager, Baramati Foundation
“The board is really high quality with crisp clear silkscreen. I was flabbergasted with the documentation quality. Really great work Team. All the best 🔥”
Padmalaya Rawal
Founder, Electrobuffin, Temple
“Exceptional quality at affordable price. I felt like seeing a product equivalent to Adafruit, sparkfun etc. Congrats to your team 🤜 keep rocking”
Hariharasudhan B
Embedded electronics Engineer, Future Devices
“Exceptional quality at affordable price. I felt like seeing a product equivalent to Adafruit, sparkfun etc. Congrats to your team 🤜 keep rocking”
Hariharasudhan B
Embedded electronics Engineer, Future Devices
“The board is really high quality with crisp clear silkscreen. I was flabbergasted with the documentation quality. Really great work Team. All the best 🔥”
Padmalaya Rawal
Founder, Electrobuffin, Temple
“It's an excellent and well-built product.”
Avinash P.
Technology Manager, Baramati Foundation
“Great Product. This Board is a game changer for every Beginners since it has inbuilt wireless operations. Underrated product, Must BUY!!!”
Kartis
Influencer
“Low cost, fully featured for quick development with ESP32-C3. The QWIIC connector is a useful addition.”
PrithviRaj Narendra
Embedded Systems Consultant
“Exceptional quality at affordable price. I felt like seeing a product equivalent to Adafruit, sparkfun etc. Congrats to your team 🤜 keep rocking”
Hariharasudhan B
Embedded electronics Engineer, Future Devices
“The board is really high quality with crisp clear silkscreen. I was flabbergasted with the documentation quality. Really great work Team. All the best 🔥”
Padmalaya Rawal
Founder, Electrobuffin, Temple
“It's an excellent and well-built product.”
Avinash P.
Technology Manager, Baramati Foundation
“Great Product. This Board is a game changer for every Beginners since it has inbuilt wireless operations. Underrated product, Must BUY!!!”
Kartis
Influencer
“Low cost, fully featured for quick development with ESP32-C3. The QWIIC connector is a useful addition.”
PrithviRaj Narendra
Embedded Systems Consultant
“Low cost, fully featured for quick development with ESP32-C3. The QWIIC connector is a useful addition.”
PrithviRaj Narendra
Embedded Systems Consultant
“Great Product. This Board is a game changer for every Beginners since it has inbuilt wireless operations. Underrated product, Must BUY!!!”
Kartis
Influencer
“It's an excellent and well-built product.”
Avinash P.
Technology Manager, Baramati Foundation
“The board is really high quality with crisp clear silkscreen. I was flabbergasted with the documentation quality. Really great work Team. All the best 🔥”
Padmalaya Rawal
Founder, Electrobuffin, Temple
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
GitHub
YouTube
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.