Question: please I need a program using Arduino IDE by impliminting the uno board: EEPROM Password On power-up, check to see if the EEPROM has a
please I need a program using Arduino IDE by impliminting the uno board:
EEPROM Password
On power-up, check to see if the EEPROM has a specific value (e.g., 128) at a specific address (e.g., address 0 of EEPROM)
If so, then this is NOT the first time powered up prompt the user for a 4 or more digit/character password and compare that password to the stored password. (can use char or string for password)
If they match, enter loop() and notify user of success
If this is the first time powered up, as indicated by the specific value not being present in EEPROM, prompt user to enter a 4 or more digit/character password, store it, mark as NOT first time run
You also want a method to reset the system, e.g., by pressing a button
Read and Write EEPROM
Connecting the Uno board to the laptop
Find out how many addresses are available on the EEPROM of Arduino Uno
Check (and display using serial monitor) the values at address 1020 of the EEPROM, one pair of per line
Change these values to {0, 1, 2, ..., 10} and display them
Change these values to 256(?)
using these commands
EEPROM.read()
EEPROM.write()
EEPROM.length()
Serial.begin()
Serial.print()
Serial.println()
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