You could use an EEPROM for storage instead of an SD card. I2C (or SPI) chips with 1Mbit in an 8-pin DIP would probably be good enough for what you're doing.
Pete
You could use an EEPROM for storage instead of an SD card. I2C (or SPI) chips with 1Mbit in an 8-pin DIP would probably be good enough for what you're doing.
Pete