Real physics, in this tab. Nothing to install and no account. The first run downloads the robot runtime, about 14 MB.

Robot arm · Waveshare RoArm-M2

open close gripper twice

Open and close the gripper twice.

taught their robot this by typing a sentence. It ran successfully, so it was published. What you see is the same program running against the same physics.

open_close_gripper_twice.py

META = {"name": "open_close_gripper_twice", "description": "Open and close the gripper twice.", "params": {"arm": "arm", "repeats": 2}}

def run(ctx, **params):
    arm = params.get("arm", "arm")
    repeats = int(params.get("repeats", 2))
    opened, closed = ctx.gripper_range(arm)
    for _ in range(repeats):
        ctx.gripper(arm, opened)
        ctx.gripper(arm, closed)