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DT A-Level AQA Systems and Control - AS

Anyone taking the exam tomorrow?
(edited 6 years ago)
What did you think?
Reply 2
Not to bad, found the logic question tricky and chose question 5, Wbu?
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
Reply 4
Made the logic one on circuit wizard and the answers were 0001 so an AND Gate.

Posted from TSR Mobile
Original post by Chris2964
Made the logic one on circuit wizard and the answers were 0001 so an AND Gate.

Posted from TSR Mobile


Fair enough, what did you think of question 7, pretty generous?
Reply 6
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?
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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