🧮 Arduino millis() / micros() rollover calculator

Name: Little Bird Electronics
Address: Unit 13, 8-12 Leighton Place, Hornsby, NSW, 2077, AU
Telephone: +61-1300-240-817
Price range: $$

See exactly when millis() or micros() wraps to zero — a live ring fills as uptime climbs toward the 2^32 rollover. Learn why unsigned subtraction is safe and `millis() >= target` is not.