Sun 2021.10.17
'What do you mean exactly by "external flash"? How is this differentiated technically from "internal flash"?'
External EEPROM 8 pin DIP
One example: uses I2C and not SPI as suggested in #5 post
https://www.espruino.com/AT24
It's likely the 52840 watch DK has the 8M of external SPI accessible
@Robin started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Sun 2021.10.17
External EEPROM 8 pin DIP
One example: uses I2C and not SPI as suggested in #5 post
It's likely the 52840 watch DK has the 8M of external SPI accessible