Application Notes

• Pololu QTR Reflectance Sensor Application Note (view printable PDF)

  Information about using the Pololu QTR reflectance sensors, including differences between A-type and RC-type sensors and sample oscilloscope screen captures of sensor outputs.

• Understanding Destructive LC Voltage Spikes (view printable PDF)

  Introduction to potentially destructive voltage spikes caused by power lead inductance and low ESR capacitors.

• Tamiya “Toy” Motor Testing by Adam Borrell (a.k.a nexisnet) (view printable PDF)

  Adam, who posts under the username nexisnet on the Pololu forums, has performed a detailed series of experiments to determine how operating voltage affects the lifetime of the Mabuchi FA-130 motor, which happens to be the motors used in the Tamiya 70168 Double Gearbox, 70167 Single Gearbox (4-Speed), 70097 Twin-Motor Gearbox, 70093 3-Speed Crank-Axle Gearbox, 70110 4-Speed Crank-Axle Gearbox, and 70103 Universal Gearbox.

• Application Note: Using the Motor Driver on the 3pi Robot and Orangutan Robot Controllers (view printable PDF)

  Detailed information about the 3pi Robot, Orangutan SV-328/168 and LV-168, and Baby Orangutan B motor drivers, including truth tables and sample code.

• Application Note: MLX90614ESF SMBus Communication with Orangutan Robot Controllers (view printable PDF)

  A guide for implementing the SMBus (I²C-compatible) protocol for the MLX90614ESF temperature sensor on the AVR-based Orangutan robot controller series. The guide includes sample code for taking temperature readings.

• Application Note: Using AutoHotkey with Pololu USB Products (view printable PDF)

  An application note about using AutoHotkey for Windows to control Pololu USB products.

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