Resources » Pololu AVR C/C++ Library User's Guide »
1. Introduction
This document is a guide to using the Pololu AVR C/C++ library, including installation instructions, tutorials, and example programs. The Pololu AVR Library makes it easy for you to get started with the following Pololu products:
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Pololu 3pi robot: a mega168/328-based programmable robot. The 3pi robot essentially contains an SV-328 and a 5-sensor version of the QTR-8RC, both of which are in the list below. |
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Pololu Orangutan SVP-1284: based on the mega1284, the SVP-1284 is our newest Orangutan robot controller. It is a super-sized version of the SV-328, with a built-in AVR ISP programmer, more I/O lines, more regulated power, and more memory. It also features hardware that makes it easy to control up to eight servos with a single hardware PWM and almost no processor overhead. | |
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Pololu Orangutan SVP-324: based on the mega324, the SVP-324 is a version of the SVP-1284 with less memory. The two versions are completely code-compatible (the same code will run on both devices as long as it’s small enough to fit on the ATmega324PA). | |
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Pololu Orangutan X2: based on the mega644, the X2 robot controller is the most powerful Orangutan. It features an auxiliary microcontroller devoted to controlling much of the integrated hardware (it also acts as a built-in AVR ISP programmer) and high-power motor drivers capable of delivering hundreds of watts. | |
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Pololu Orangutan SV-328: a full-featured, mega328-based robot controller that includes an LCD display. The SV-328 runs on an input voltage of 6-13.5V, giving you a wide range of robot power supply options, and can supply up to 3 A on its regulated 5 V bus. This library also supports the original Orangutan SV-168, which was replaced by the SV-328. |
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Pololu Orangutan LV-168: a full-featured, mega168-based robot controller that includes an LCD display. The LV-168 runs on an input voltage of 2-5V, allowing two or three batteries to power a robot. |
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Pololu Baby Orangutan B-48: a compact, complete robot controller based on the mega48. The B-48 packs a voltage regulator, processor, and a two-channel motor-driver into a 24-pin DIP format. |
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Pololu Baby Orangutan B-328: a mega328 version of the above. The mega328 offers more memory for your programs (32 KB flash, 2 KB RAM). This library also supports the Baby Orangutan B-168, which was replaced by the Baby B-328. |
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Pololu QTR-1A and QTR-8A reflectance sensors (analog): an analog sensor containing IR/phototransistor pairs that allows a robot to detect the difference between shades of color. The QTR sensors can be used for following lines on the floor, for obstacle or drop-off (stairway) detection, and for various other applications. |
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Pololu QTR-1RC and QTR-8RC reflectance sensors (RC): a version of the above that is read using digital inputs; this is compatible with the Parallax QTI sensors. |
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Encoder for Pololu Wheel 42×19 mm: a wheel encoder solution that allows a robot to measure how far it has traveled. |
For detailed information about all of the functions available in the library, see the command reference.
Note that the library is designed for Atmel’s AVR-based boards like the Orangutans: to use it with the QTR sensors, your controller must be either an Orangutan or another board built with an ATmega48/168/328P or ATmega324PA/644P/1284P AVR microcontroller.
This document covers the C/C++ version of the library, but it may also be used with Arduino: a popular, beginner-friendly programming environment for the mega168/328, using simplified C++ code. See our guide to using Arduino with Orangutan controllers for more information.
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