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Trace: • User Interface module • User interface module v5.0 • User Interface module III • User interface module v5.1 • Serial Interface • Robotic HomeLab III generation • Motor Module • Digital input-output module v3.3

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en:hardware:homelab:digi:v3 [2010/10/28 00:42] – created raivo.sellen:hardware:homelab:digi:v3 [2020/07/20 12:00] (current) – external edit 127.0.0.1
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-====== Digital input-output module ======+====== Digital input-output module v3.3 ====== 
 +(Version 3)
  
-digital i/o module is designed for simple tasks and basic process control. Module has three push-buttons and three LEDs, which can be used as digital inputs and outputs of microcontroller. Additionally to simple LEDs the module is equipped with 7-segment indicator and LCD display outputs. Digital i/o module is handy to use along with other modules enabling to control the output device behavior, like motors and display the sensor readings.+ 
 +Digital i/o module is designed for simple tasks and basic process control. Module has three push-buttons and three LEDs, which can be used as digital inputs and outputs of microcontroller. Additionally to simple LEDs the module is equipped with 7-segment indicator and LCD display outputs. Digital i/o module is handy to use along with other modules enabling to control the output device behavior, like motors and display the sensor readings.
  
 Module features: Module features:
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 [{{  :examples:digi:digi_io_porta_portg_schematics.png?580  |Schematics of LCD}}] [{{  :examples:digi:digi_io_porta_portg_schematics.png?580  |Schematics of LCD}}]
 +
 +The back-light intensity of alphanumeric LCD is regulated with small potentiometer (LCD_BG) on the digital i/o board and graphical LCD back-light can be controlled by the software. Both LCD displays are connected to the port PA but only one at a time.
  
 ===== Connecting the module ===== ===== Connecting the module =====
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   - Connect the Digital i/o module with Controller module by using the ribbon cable.   - Connect the Digital i/o module with Controller module by using the ribbon cable.
 +  - Connect LCD module with Digital i/o module (only one at a time)
   - If needed connect the JTAG programmer with Controller module.   - If needed connect the JTAG programmer with Controller module.
   - Connect the power supply with Controller module.   - Connect the power supply with Controller module.
  
 [{{:examples:digi:digital_io_connection.jpg?580|Connecting the Digital i/o module}}] [{{:examples:digi:digital_io_connection.jpg?580|Connecting the Digital i/o module}}]
 +
 +[{{:examples:display:lcd_connection.jpg?580|Connecting the LCDs}}]
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