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en:hardware:homelab:sensor:v3 [2010/11/08 09:24] – created raivo.sellen:hardware:homelab:sensor:v3 [2020/07/20 12:00] (current) – external edit 127.0.0.1
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-====== Sensors module ======+====== Sensors module v2.2 ====== 
 +(Version 2)
  
 Sensors module includes the combined board of sensors, low-pass filter and separate distance sensors. Sensors module includes the combined board of sensors, low-pass filter and separate distance sensors.
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 ==== Sensors ==== ==== Sensors ====
  
-Every sensor on the board is connected through the jumper, enabling to select between on-board sensor or external sensor which can be connected to the same port on the CON2 connector. By default all on-board sensors are connected to the analogous inputs of the microcontroller (ADC0-ADC3). In addition to on-board sensors, several analogous external sensors can be connected with sensor board through the connection CON2 to ports ADC4-ADC7. Attention have to be paid to the fact that the ATmega128 is using same ports (ADC4-ADC7) for JTAG programming. Both functions cannot be used simultaneously, the microcontroller can be configured to use just one. Both functions cannot be used simultaneously; the microcontroller can be configured to use just one. However if there is a need to use e the external sensors together with JTAG program, they can be connected to ports ADC0-ADC3, but appropriate jumpers have to be shifted.+Every sensor on the board is connected through the jumper, enabling to select between on-board sensor or external sensor which can be connected to the same port on the CON2 connector. By default all on-board sensors are connected to the analogous inputs of the microcontroller (ADC0-ADC3). In addition to on-board sensors, several analogous external sensors can be connected with sensor board through the connection CON2 to ports ADC4-ADC7. Attention have to be paid to the fact that the ATmega128 is using same ports (ADC4-ADC7) for JTAG programming. Both functions cannot be used simultaneously; the microcontroller can be configured to use just one. However if there is a need to use e the external sensors together with JTAG program, they can be connected to ports ADC0-ADC3, but appropriate jumpers have to be shifted.
  
 [{{  :examples:sensor:sensor_schematics_sensor.png?400  |Schematics of sensors connections}}] [{{  :examples:sensor:sensor_schematics_sensor.png?400  |Schematics of sensors connections}}]
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