legostormrobot wrote:EDIT: Ok, as I'm about out of time, I'm just using a battery. I designed a switch for it that works pretty well. Now, my only problem is that I need some way to measure if my crane is picking something up. I currently have the arm attached to a servo motor, and it can swing several degrees. Unfortunately, I can't balance it out enough to be able to tell if something is on it. I also have one sensor port available with which I could attach a touch sensor OR a sound sensor. I may be able to balance it out enough to be able to get the 'boom' to swing down and activate the touch sensor when something is on it.
pbenco wrote:2 - never ask when under time pressure, let replies fly their way to you! we don't want to get your time constraints, as we have ours yet!!!
hassenplug wrote: Have the arm resting on a touch sensor, and balanced so the touch sensor is NOT pressed. When the magnet picks something up, it should press the touch sensor.
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