Ian Rogers User Extraordinaire Forum Supporter Most Helpful Member Feb 28, 2025 #2 You will need to use English on this site.. I have translated the title. It would appear that you are setting the WP pin ( write protect) before the 20ms internal house keeping is completed. Write to the eeprom THEN! wait 20mS then activate the WP pin. Also.. The LCD isn't connected to the micro Upvote 0 Downvote
You will need to use English on this site.. I have translated the title. It would appear that you are setting the WP pin ( write protect) before the 20ms internal house keeping is completed. Write to the eeprom THEN! wait 20mS then activate the WP pin. Also.. The LCD isn't connected to the micro
Tony Stewart Well-Known Member Most Helpful Member Feb 28, 2025 #3 Must add Diode across coil to protect LED and PNP Missing Cap, Vdd-Vcc If buzzer = Vcc then use NPN Mus Upvote 0 Downvote
Must add Diode across coil to protect LED and PNP Missing Cap, Vdd-Vcc If buzzer = Vcc then use NPN Mus