← The LEGO Parts Guide › Electronics › 9V › Sensors & Accessories

2×4×1⅔ 9V Rotation Sensor (Part 2977)

RETIRED

Custom LEGO part images © 2014-2026 Brick Architect LLC.

External Links

LEGO parts are described differently on other websites and may use different part numbers.

Bricklink:
2977c01 Electric Sensor, Rotation
Rebrickable:
2977c01 Sensor, Rotation
Brickset:
2977 Part not found on Brickset.
LDraw:
72632 Electric Brick 2 x 4 x 1.667 Sensor Rotation

Printable LEGO Brick Label

Requires a compatible Brother Label Printer — learn more at brickarchitect.com/labels.

2×4×1⅔
Rotation Sensor
2977
.LBX

New Label! Not included in legacy LEGO Brick Labels collection.

2×4×1⅔
Rotation Sensor
2977
.LBX

Small QR codes are hard to scan with some devices.

Date Added: 2026-09-29 00:10:35
Date Modified: 2026-09-29 00:16:25

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