Orangutan SV-328 Robot Controller

SKU: POLOLU-1227 Brand: Pololu

Retired Product

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This product has been retired. It is no longer available, but this page has been kept for reference.

Overview

The Orangutan SV-328 robot controller is a complete control solution for small robots running at 6 – 13.5 V. The small (2.15" x 1.9") module includes a powerful Atmel ATmega328P AVR microcontroller, two bidirectional motor ports each capable of providing 1 A (continuous), a removable 8-character x 2-line liquid crystal display, a buzzer, three user pushbutton switches, and two user LEDs.

Eight general-purpose I/O lines with up to eight analog input channels allow for adding sensors or expanding the system. These lines are brought out to 0.1" female headers as shown in the picture below; from left to right, the bottom row of pins are: PC5, PC4, PC3, PC2, PC1, PC0, PD1 and PD0. The Orangutan SV-328 features a 5V switching regulator capable of delivering up to 3 A, allowing the Orangutan to power RC servos directly from its regulated 5V power bus. This power bus can be accessed through the power and ground pins dedicated to each user I/O line.

Orangutan SV-328 top view with components labeled.

The Orangutan SV-328 is based on Atmel’s mega328 AVR microcontroller, which runs at 20 MHz and features 32 Kbytes of flash program memory, 2 Kbytes of SRAM, and 1024 bytes of EEPROM. Because the user has direct access to the microcontroller, any development software for Atmel’s AVR microcontrollers, including Atmel’s free Atmel Studio and the WinAVR GCC C/C++ compiler, is compatible with the Orangutan SV-328. An in-circuit programmer, such as Pololu's USB AVR programmer, is required for programming the Orangutan SV-328; Pololu offer a combination deal that lets you save when you buy a programmer with your Orangutan. Pololu provide an extensive set of software libraries that make it easy to interface with all of the integrated hardware. These libraries come with a number of sample programs that demonstrate how to use the various components on the Orangutan SV-328. This robot controller is also compatible with the popular Arduino development platform.

Improvements over the Original Orangutan

The Orangutan SV-328 has introduced a number of substantial improvements over the original Orangutan, the most significant of which is the enhanced power system that allows an expanded operating range of 6 – 13.5 V (meaning you can power the Orangutan SV-328 from a 12 V battery), delivers higher motor current, and has much more available current on the 5 V line. The following list details the major changes:

TB6612FNG motor driver delivers higher current with higher-frequency PWM and decreased power consumption.
Hardware PWM outputs now connect to all motor driver inputs, removing the need for processor-intensive software PWM.
Input voltage can now be as high as 13.5 V.
The integrated 5 V regulator can supply up to 3 A, allowing this version to power servos and other high-power peripherals for which the battery voltage would be too high.
The MCU has been upgraded to an ATmega328 running at 20 MHz, and the pin connections have changed to match that of the Orangutan LV-168, the Baby Orangutan B, and the 3pi robot, so the same code will generally work on all four devices. The form factor of the Orangutan SV-328 is identical to that of the Orangutan LV-168.
Reverse battery protection is now achieved using a MOSFET instead of a diode, so the input voltage no longer experiences a diode drop.
The main power switch now turns off power to the entire board.

Main Features

overall unit dimensions: 2.15" x 1.9"
input voltage: 6-13.5 V
2 bidirectional motor ports (1 A continuous per channel, 3 A maximum per channel)
programmable 20 MHz Atmel ATmega328P AVR microcontroller (32 KB flash, 2 kB SRAM, 1024 bytes EEPROM)
8 general-purpose I/O lines, 6 of which can be used as analog input channels
2 additional analog input channels (ADC6 & ADC7) can be accessed on the board
removable 8-character x 2-line LCD
5V regulator capable of supplying up to 3 A
buzzer tied to one of the mega328’s hardware PWMs
3 user pushbutton switches
2 user LEDs
battery voltage self-monitoring optionally connected to ADC6
user potentiometer optionally jumpered to ADC7
comprehensive user’s guide

Note: This product could ship with either a silver-bezel LCD or a black-bezel LCD. Pictures of the two possible types are shown below.

This product is listed in:

Retired

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