DT A-Level AQA Systems and Control - AS Watch

Chris2964
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#1
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Anyone taking the exam tomorrow?
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Jonathan_buck
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What did you think?
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Chris2964
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Not to bad, found the logic question tricky and chose question 5, Wbu?
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Jonathan_buck
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(Original post by Chris2964)
Not to bad, found the logic question tricky and chose question 5, Wbu?
Deffo got the logic one wrong, did question 6
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Chris2964
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#5
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Made the logic one on circuit wizard and the answers were 0001 so an AND Gate.

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Jonathan_buck
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(Original post by Chris2964)
Made the logic one on circuit wizard and the answers were 0001 so an AND Gate.

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Fair enough, what did you think of question 7, pretty generous?
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Chris2964
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Yeah aha, I used a rack and pinion for reciprocating which was attached to a high torque dc motor and a high torque metal geared servo for 90 degree hinge. Wbu?
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Jonathan_buck
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(Original post by Chris2964)
Yeah aha, I used a rack and pinion for reciprocating which was attached to a high torque dc motor and a high torque metal geared servo for 90 degree hinge. Wbu?
Chain and sprocket for reciprocating , servo for 90 degree hinge
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