RBTNX-KT-140 GHI Electronics, RBTNX-KT-140 Datasheet - Page 19

• Manufacturer Part Number: RBTNX-KT-140
• Description: Development Boards & Kits - ARM FEZ MINI ROBOT KIT .net MF Dev Tool
• Manufacturer: GHI Electronics

Specifications of RBTNX-KT-140

• Rohs: yes
• Product: Development Kits
• Tool Is For Evaluation Of: LPC2388
• Core: ARM7TDMI-S
• Interface Type: I2C, SPI, UART, USB
• Operating Supply Voltage: 5 V
• Part # Aliases: GHI-RBTNX-KT-140

GHI Electronics,LLC
Rev.1.00
Additional part list
Assembly
the Idea
Let's try to apply that in code
Connect right reflective sensor cable to An7 and the left one to An6.
Now, while the sensor is facing the smooth table, the majority of the emitted infrared
beam will be reflected back to the sensor even partially (supportingly more than 5% of
the beam) thus it can tell the robot that the it is still on the table and it can move ahead.
Then when any of the sensor becomes our of the table after the edge, the emitted beam
will not be reflected on anything back to the sensor (supportingly more than 5% of the
beam) thus it can tell the robot to stop and move back rotate and go in different direction
or it will fall.
User might need to calibrate the reflection threshold in the code according to the
environment (table color, the brighter the better the reflection)
Create a new .NET Micro Framework project and added the required assemblies.
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Table Edge Detection Example
FEZ Mini Robot Kit
www.ghielectronics.com