[sdiy] 7-segment LED displays with 4511 driver chip - max current?

Videotron tokalo at videotron.ca
Thu Aug 6 00:13:54 CEST 2015



> On Aug 5, 2015, at 6:01 PM, rsdio at audiobanshee.com wrote:
> 
> 
>> If you use the CD4511, you can always add 7 transistor drivers on the outputs to boost the current handling capacity. 

The TR-909 cpu board is an nice example of this approach, as doubtless countless others are. but I am intimately acquainted with that design having experimented quite a bit with the NEC processor code in there. 7 spare A/D channels are too tempting as well !

Tony K


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