Compact socket protection circuit for refrigerator using 555
Power saver circuit using 555 for Refrigerator
Refrigerator compressor limit circuit using 555
Refrigerator door opened reminder circuit using 555
Refrigerator door opened reminder circuit using 555 (b)
Refrigerator power protection circuit using 555
Refrigerator Power Saver circuit using 555
Refrigerator protection circuit using 555 (a)
Refrigerator protection circuit using 555 (b)
Simple protection circuit for refrigerator using 555
Simple washing machine timer circuit using 555