How much money you have to spend? Is this just a simple test setup or will it be permanent? I'd look for a faucet valve as these are easy to turn and usually turn less than 180 deg. so a servo could be used to control the valve.
How much money you have to spend? Is this just a simple test setup or will it be permanent? I'd look for a faucet valve as these are easy to turn and usually turn less than 180 deg. so a servo could be used to control the valve.