It rather depends on the resolution of the images, and the number of colours used - BMP files are pretty HUGE as they are uncompressed. Certainly a single colour image only 128x128 pixels (popular TFT size) is massively too large to fit in an Arduino Uno (or similar) processors memory - this is why SD cards are usually used.
It cant look too much like it is an electronic display.Why does it have to be a graphic display?
A simple 2 character alphanumeric display would be all that is required, maybe.
H = Hearts
C = Clubs
D = Diamonds
S = Spades
A = Ace
K = King
Or am I missing something?
I'll repeat again, check the resolution and size of the picture files, it's probably difficult to source a serial EEPROM large enough, which is why SD cards are normally used. And a micro-SD card is a pretty small device.You could use a thin double sided board with an atmega128 as the processor and (if needed) an external serial EEPROM.
Do you need one of these pendants or will you manufacture thousands.52 images are not needed. One circle display would show Ace to King and the other the suits. So Ace 2 3 4 5 6 7 8 9 10 Jack Queen King would be stored on one sd card. Then 4 suits on the other. The displays are then back to back.
Are you a magician Pommie?
I've never seen them as just chips?, and they aren't serial EEPROM's.Are you saying that the serial chips that go in memory devices life SD cards aren't available as just chips?
Yes, but first you willCan anyone recommend a circuit board producer/ builder who works with the mentioned components to help with the prototype?