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Recently my girlfriend was gifted with one "puppy toy" for her cat, this small device looks like a small mice, and use two AAA cells, and fully rubber design, match with one collar for the pet, so when the pet reach the toy it start to bounce and vibrating, so that catch the attention...

hi i need more program memory space to my code HOw i can achieve this? conecting to one eeprom or some usb pen drive or memory card????