2 layers100 × 100 mmTommyPROM32-595TomNisbet/TommyPROMSimple Arduino-based EEPROM programmer36 parts187
2 layers40.6 × 68.6 mmEeprom programmeryoppeh/eeprom-programmerAn Arduino Nano sketch and schematic for an Atmel 28cx programmer.7 parts10MIT
2 layers80 × 60 mmTommyPROM schematicsTomNisbet/TommyPROMSimple Arduino-based EEPROM programmer13 parts187