#include <EEPROM.h> void setup() { Serial.begin(115200); // Uno has 1K of prom, the last 6 bytes are the serial number // The starting address of the serial number is byte 1018 int unoSerial[6]; int i; int startAddr=1018; for (i = 0; i < 6; i++) { unoSerial* = EEPROM.read(startAddr + i);* …

Sunday night simple "cryptography" challenge

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