With multiple 7 seg displays being driven in GCbasic, how many displays are practical to do this with before they get too dim to see.
I need 8 digits and wondered if this is too many from the one PIC.
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why You thin that they will get too dim?
7-segment library using dynamic displaying for many displays (i hope). that mean that all displays are blinking very fast. for 8 7-seg displays you need 16 pins from controller. On 8 pins are 7 segments +dot and other 8 pins are displays common connections. This is called dynamic displaying. of course You must use correct resistors for LEDs and You must know maximum Controller output current parameter in datasheet. Iv each display segment consumes 5-10 mA than every thing is OK, as I remember that PIC16F84a max load is 25 mA.
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
With multiple 7 seg displays being driven in GCbasic, how many displays are practical to do this with before they get too dim to see.
I need 8 digits and wondered if this is too many from the one PIC.
why You thin that they will get too dim?
7-segment library using dynamic displaying for many displays (i hope). that mean that all displays are blinking very fast. for 8 7-seg displays you need 16 pins from controller. On 8 pins are 7 segments +dot and other 8 pins are displays common connections. This is called dynamic displaying. of course You must use correct resistors for LEDs and You must know maximum Controller output current parameter in datasheet. Iv each display segment consumes 5-10 mA than every thing is OK, as I remember that PIC16F84a max load is 25 mA.