DJI RoboMaster S1

DJI (China) · 2019

Was $499–$549$499 at launch (2019), later $549; now used only.
Discontinued · used/leftover onlyVia SSH / web / bridgeMecanum wheelsGimbal blasterScratch/Python in appDiscontinued
Possibly ≤ 1 weekShipping: Used, days. Discontinued; used units are common on eBay and marketplace sites, typically well under the original price.
Remote control: Officially only through the RoboMaster app; a well-known community hack enables the EP-style text SDK over Wi-Fi so the robomaster Python package can drive it (unofficial).

Overview

DJI's first ground robot, a mecanum-wheeled tank with a gel-bead blaster and surprisingly good on-board vision, aimed at STEM education and games. The official API was locked to the app, which is why DJI later released the RoboMaster EP with a real SDK. DJI stopped selling it, but used units are plentiful and inexpensive.

Specifications

CategoryWheeled rovers · Laptop is the brain
Released2019
AvailabilityDiscontinued · used/leftover only
ProgrammabilityLimited SDK
Best forAges 14+ (maker rating)
Vision sensorsCamera
ActuatorsBrushless / direct-drive motors
AudioUnknown
Compute typeProprietary / undisclosed
Remote controlVia SSH / web / bridge
Size32×24×27 cm, 3.3 kg
Drive4 mecanum wheels (omnidirectional)
ComputeDJI intelligent controller (closed)
VisionFPV camera on 2-axis gimbal, 1080p video / 720p live view
LidarNone
Sensors6 armor hit sensors, IMU, wheel encoders; on-board vision detects people, gestures, markers and lines
Runtime~35 min
Speed3.5 m/s forward
SDKScratch and sandboxed Python inside the RoboMaster app; community workaround unlocks the EP's plain-text SDK

Ratings & reviews

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Image credits