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1Pcs MAX7219 Dot Matrix Module Arduino Microcontroller Module ez

5Pcs STC89C51RC STC89C52RC-40I-PDIP Serial Microcontroller Scm DIP-40 xi

2Pcs DIP-20 Atmel AT89C2051-24PU 89C2051 DIP20 Microcontroller il

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1Pcs AT89S51 AT89S51-24PU Atmel Microcontroller DIP-40 xx

3Pcs DIP-20 Atmel AT89C2051-24PU 89C2051 DIP20 Microcontroller ut

1Pcs AT89S52-24PU AT89S52 DIP-40 Atmel Microcontroller ch