motor step 2.5us
motor step 2.5us

murix/beaglebonequadcopter,murix/beaglebonequadcopter,murix/beaglebonequadcopter,murix/beaglebonequadcopter,murix/beaglebonequadcopter,murix/beaglebonequadcopter,murix/beaglebonequadcopter