mozikluv Posted September 3, 2003 Report Share Posted September 3, 2003 ??? am very much interested in building this transistor tester project of which the author i believe is randy linscott as you have presented. however, before i do so, i would like to clear up some doubts, 1. is IC4027 a dual JK master/slave flip flop w/set-reset?2. where can i find the datasheet for this ic3. is pin 1 & 2 open or not used?4. is the output of the 555 (pin 3) connected to pin 12 of the 4027?thank you in advance for whatever info you can give me.Project Link: http://www.electronics-lab.com/projects/test/008/index.html Quote Link to comment Share on other sites More sharing options...
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