AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board
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AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board](http://ae01.alicdn.com/kf/S12ae4af7977e42dbaf8e00173d535fb3D.jpg)
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AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board
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AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board](http://ae04.alicdn.com/kf/Sde1fe8674d1c40a3a749924fee7157fac.jpg)
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AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board
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AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board](http://ae-pic-a1.aliexpress-media.com/kf/Sca42cfcdab9b4fd495f5fcb7876e3b5cg.jpg)
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AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board
![AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board
AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board](http://ae01.alicdn.com/kf/Sa1dfbe252e53487381cdbee0ccb66f70p.jpg)
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AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board
![AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board
AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board](http://ae04.alicdn.com/kf/S4844bf0194574624a2f93a312b88bb78l.jpg)
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AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board
![AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board
AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board](http://ae04.alicdn.com/kf/S91ac8ae4fde34c2292b57d0a837ff80bP.jpg)
52%
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AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board
![AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board
AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board](http://ae01.alicdn.com/kf/S7332931e3d674a728b2a2c9cc2df8035N.jpg)
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AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board