Yujin Robot iCLEBO Kobuki, Руководство пользователя

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Serial Port
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RX / TX: Serial data connection (RS232; used voltage level is 3.3V!)
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EX3.3 / EX5: 3.3V/1A and 5V/1A power supply
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DI0 - 3: 4 x Digital input (high: 3.3 - 5V, low: 0V)
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DO0 - 3: 4 x Digital output (open-drain, pull-up resistor required)
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AI0-3: 4 x Analog input (12bit ADC: 0 - 4095, 0 - 3.3V)
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GND: Ground
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EN: Used for detecting an external board (connect to external ground)
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