DC 5V DS18B20 Digital Temperature Controller DIY Kits LED Alarm AT89C2051 Microcontroller Design Thermometer Electronic Suit

DC 5V DS18B20 Digital Temperature Controller DIY Kits LED Alarm AT89C2051 Microcontroller Design Thermometer Electronic Suit
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sku: 33057386218
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$3.18
Shipping from: China
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