arduino › carrier / breakout
adafruit Arduino UNO ProtoShield
Solder-able prototyping shield with mini breadboard. Stacks onto any UNO-footprint board. Watch the IOREF pin — your shield logic level follows it.
Specifications
- compatible boards
- arduino_uno_r3, arduino_uno_r4_minima, arduino_uno_r4_wifi, adafruit_metro_express, sparkfun_redboard_qwiic
- pin passthrough
- yes
- holes
- uno_shield
Sources
- Adafruit open product catalog · ingest 2026-05-06