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Amazon.com: KEYESTUDIO Smart Home Starter Kit for Arduino for Uno R3, Electronics Home Automation Coding Toys, Wooden House DIY Sensor Kit STEM Educational Set for Kids Adults Teens : Electronics
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XL IC Chip Assortment 150 pcs, opamp, oscillator, pwm, PC817, NE555, LM358, LM324, JRC4558, LM393, LM339, NE5532, LM386, TDA2030, TDA2822, PT2399, UC3842, UC3843, ULN2003, ULN2803, 7660, Sockets: Amazon.com: Industrial & Scientific
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