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@cogwheel
cogwheel / eeprom2.ino
Last active Jun 14, 2017
Revised programmer with unlock
View eeprom2.ino
/* Programmer for Xicor X28C256 EEPROM, using Mega2560 for parallel I/O */
/* Address pins */
#define A0 30
#define A1 31
#define A2 32
#define A3 33
#define A4 34
#define A5 35
#define A6 36
@cogwheel
cogwheel / EEPROM.ino
Last active Jun 8, 2017
Second attempt writing data to X28C256 EEPROM using arduino mega2560
View EEPROM.ino
/* Address pins */
#define A0 30
#define A1 31
#define A2 32
#define A3 33
#define A4 34
#define A5 35
#define A6 36
#define A7 37
#define A8 38
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