CircuitScope
Boards
Components
Guides
Error search
Login
Register
Arduino Uno R3
Knowledge Hub
Guides & how-tos for
Arduino Uno R3
.
Add a guide
Arduino Uno not recognised over USB
No COM port? Work through the USB-serial path.
by CircuitScope · 05 Oct 2026 ·
2
Reflashing the Arduino Uno bootloader
Recover a bricked Uno using another Arduino as ISP.
by CircuitScope · 05 Oct 2026 ·
1
Install app
Can we use analytics cookies?
They let us see which pages are useful (Google Analytics). We don't use them unless you say yes.
Cookie policy
No thanks
Accept