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en:hardware:homelab:sensor:v51 [2011/02/18 23:43] yllaren:hardware:homelab:sensor:v51 [2020/07/20 12:00] (current) – external edit 127.0.0.1
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   * Infrared distance sensor Sharp GP2Y0A21YK0F (measuring distance 10-80 cm) {{:kit:datasheets:sharp_gp2y0a21yk0f.pdf|datasheet}}   * Infrared distance sensor Sharp GP2Y0A21YK0F (measuring distance 10-80 cm) {{:kit:datasheets:sharp_gp2y0a21yk0f.pdf|datasheet}}
  
-// Version 5.1 board image //+{{:examples:sensor:sensor_board_v51.png?500}}
  
 ===== Electrical connections ===== ===== Electrical connections =====
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 ==== Sensors ==== ==== Sensors ====
  
-Every sensor on the board is connected through the multiplexer, enabling to select between on-board sensor or external sensor which can be connected to the same port through the connectors. By default all on-board sensors are connected to the analogous inputs of the microcontroller (ADC0-ADC3). Multiplexer is controller with the port PG0.+Every sensor on the board is connected through the multiplexer, enabling to select between on-board sensor or external sensor which can be connected to the same port through the connectors. By default all on-board sensors are connected to the analogous inputs of the microcontroller (ADC0-ADC3). Multiplexer is controlled with the port PG0.
  
 [{{:examples:sensor:multiplexer_sch_v51.png?200  |Schematics of multiplexer}}] [{{:examples:sensor:multiplexer_sch_v51.png?200  |Schematics of multiplexer}}]
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 [{{:examples:sensor:rc_sch_v51.png?580  |Schematics of external sensor connections and low-pass filter}}] [{{:examples:sensor:rc_sch_v51.png?580  |Schematics of external sensor connections and low-pass filter}}]
 +
 +==== Digital I/O connector ====
 +
 +In addition to the sensors and analog inputs, there is a connector for digital I/O on the board. The pins of the connector are directly connected to pins PE2-PE5 of the controller.
 +
 +[{{:examples:sensor:dio_sch_v51.png  |The D_IO connector}}]
 +
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