ARDUINO-BASED FOOD SPOILAGE MONITORING DEVICE USING GSM - VARSHINI, MOPADA SAI; PAVANI, DARA; MOUNIKA, MARRAPU DURGA; MAHALAKSHMI, VAILADA; SOWJANYA, PABBINEDI SATYA VENKATA SAI; NIRAMALA, VADDADA (International Journal of Advance Research and Innovative Ideas In Education, 2024)