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DS1302 Clock Module Real-Time Clock Module RTC for Arduino AVR ARM (Batteries not Included)Newegg$22.00
Acrylic Jewelry Display, Wooden Organizer Stand, Necklace Holder Ds1302Etsy$38.90
Essential IC Assortment 133 pcs LM318, LM258, LM358, LM224, LM324, LM331, LM311, LM393, LM339, LM386, LM3914, LM3915, NE555, NE556, NE5532, CA3140, UC3843, TL494, 4N26, Viper22a, DS1302, ATtiny85 etcAmazon$38.90
Big IC Chip Assortment 200 pcs, opamp, oscillator, pwm, Echo, eq, Timer, Driver LM339, LM393, PC817, 6N137, NE555, DS1302, UC3842AN, UC3843AN, ICL7662, TDA2030, TDA2050, PT2399, VIPER12a, MSGE7Q etc.Amazon