Terms of Service
Last updated: May 19, 2026
By using RegCalc at regcalc.vercel.app ("Service"), you agree to these Terms. If you do not agree, do not use the Service.
Service description
RegCalc provides online MCU register calculators for embedded engineers. Free features are available without payment. PRO features require a valid license purchased through Lemon Squeezy.
Accounts and licenses
- License keys are personal and non-transferable unless your plan explicitly allows otherwise.
- You may not share, resell, or publicly distribute license keys.
- We may revoke licenses obtained fraudulently or in violation of these Terms.
Payments and refunds
All purchases are processed by Lemon Squeezy. Pricing, billing cycles, and refunds are subject to Lemon Squeezy's terms and our stated refund policy (30-day refund guarantee where advertised at time of purchase).
Acceptable use
You agree not to: reverse engineer the Service except as permitted by law; abuse API endpoints; scrape at scale; use the AI assistant for illegal content; or interfere with Service availability.
Disclaimer
Calculations and generated HAL code are provided for engineering convenience. You are responsible for verifying all values against your MCU datasheet and hardware. THE SERVICE IS PROVIDED "AS IS" WITHOUT WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Limitation of liability
To the maximum extent permitted by law, we are not liable for indirect, incidental, or consequential damages arising from use of the Service, including hardware damage or project delays.
Changes
We may modify these Terms or the Service. Material changes will be posted on this page.