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/S7332931e3d674a728b2a2c9cc2df8035N.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/S4844bf0194574624a2f93a312b88bb78l.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
![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)
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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/S5fadc09ff54a43a5a11c8112360cb96d1.jpg)
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AW9523B MCU IO Expansion Module for 4B/3B/STM32/ I2C 16-Channel IO Port GPIO Expansion Board