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en:calaos_io_controller [2015/08/21 22:46]
cleger [Software] 		en:calaos_io_controller [2015/08/21 22:46]
cleger [Hardware]
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 The hardware is designed arround a tiny microcontroller. The hardware is designed arround a tiny microcontroller.
-The folling ICs maybe used : +The following ICs maybe used : 
  
 - STM32F0 (1,40€) - STM32F0 (1,40€)
 - ATMEGA328 (3,20€) - ATMEGA328 (3,20€)
  
-The IO are drived by a 2 GPIO exapanders connected via the I2C bus of the microcontroller+The IO are drived by a 2 GPIO expanders connected via the I2C bus of the microcontroller
  
 - PCA9505 is a gpio expander with 40 IOs - PCA9505 is a gpio expander with 40 IOs