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Question by: admin on 2018-12-18 02:32:07
<p>Hi there,</p><p>Sorry to tell you that for some historical reason.We don't make this product any more,and we can't find any data or file about Electronic brick to solve your problem.We really trid ,but still can't.Since we don't have this board in our hand,we only could advise you to test by yourself.First you pick row 1 column 1,then you pick row 2 column 1,at last row 3 column1.When you change the key bottun please test the voltage of all the pins at the same time.And you will find one pin is changing，here is your row pin.And the same way to find out column pin.</p><p>Regards</p>Answer by: admin on 2018-12-18 02:32:07