I am running a obstacle avoidance robot and when I connect directly from my laptop using a USB connector to the UNO board, the robot runs fine. The problem is when I directly connect the Ground and power (from a 9V battery) to the Ground and Vin pin on the motor shield, the robot goes "crazy" (while…

Arduino UNO + Motor Shield Power problem

Topic		Replies	Views
Arduino UNO + Motor Shield Power problem General Electronics	3	1150	May 6, 2021
Arduino Motor Shield... General Guidance	4	1147	May 5, 2021
Arduino Uno R3 and Motor Shield not working properly on battery power. Robotics	5	2572	May 6, 2021
Power considerations for motor shield (Total newbie) Motors, Mechanics, Power and CNC	6	1877	May 6, 2021
How to power Motors and Arduino? Motors, Mechanics, Power and CNC	9	2040	May 6, 2021