User`s guide

◦ 17 free I/O lines on the main MCU, of which 8 can be analog inputs

◦ 4 input lines on the auxiliary processor, which can be either 4 analog inputs or dual quadrature

encoder inputs

◦ 2 hardware UARTs

• Removable 16-character × 2-line LCD with backlight

• Primary 5V switching regulator capable of supplying 3 A

• Secondary adjustable (2.5 V – 85% of VIN) buck (step-down) voltage regulator capable of supplying 3 A

• Buzzer tied to one of the AVR’s hardware PWMs

• 3 user pushbutton switches

• 2 user LEDs

• Power (push-on/push-off) and reset pushbutton switches

• Power circuit makes it easy to add extra power buttons and provides a self-shutdown option

• Auxiliary processor (connected via SPI) provides:

◦ Battery voltage reading

◦ User trimmer potentiometer reading

◦ Integrated USB connection

◦ In-System-Programming of the main processor

◦ Ability to read two quadrature encoders

Orangutan SVP kit.

Orangutan SVP fully assembled.

For a Spanish version of this document, please see Orangutan SVP Guia de

Usuario [http://www.pololu.com/file/download/OrangutanSVPGuiaUsuario.pdf?file_id=0J328] (1725k pdf)

(provided by customer Jaume B.).

1.a. Supported Operating Systems

The Orangutan SVP’s USB connection works under Microsoft Windows XP, Windows Vista, Windows 7, and

Linux. The Orangutan SVP’s USB connection can be used to program the AVR, communicate directly with the

AVR from a computer, or communicate with TTL-level serial devices from a computer.

1. Overview Page 3 of 41