A-Star 32U4 Robot Controller LV with Raspberry Pi Bridge (SMT Components Only)

PololuSKU: EXP-R25-489

Preis:
Sonderpreis12,00 €

Exkl. MwSt. zzgl. Versand

Lagerbestand:
Nur noch 3 verfügbar

Hersteller-Artikelnummer: 3116
Zolltarifnummer: 85423190
Herkunftsland: US

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Beschreibung

The A-Star 32U4 Robot Controller LV with Raspberry Pi Bridge is a programmable module well-suited for robotics applications, designed to work either as an auxiliary controller mounted to a Raspberry Pi or as a standalone control solution for a small robot. This A-Star (abbreviated A*) is based on Atmel?s ATmega32U4 AVR microcontroller, which has built-in USB functionality, and it ships with a preloaded Arduino-compatible bootloader. Its complement of peripheral hardware includes dual motor drivers capable of delivering a continuous 1.8 A per channel, along with pushbuttons, LEDs, and an optional buzzer for building a user interface. An efficient switching voltage regulator allows the controller to work over a wide range of input voltages (2.7 V to 11 V).

The robot controller board conforms to the Raspberry Pi HAT specification, allowing it to be used as an add-on for a Raspberry Pi with a 40-pin GPIO header (Model B+, Model A+, and Pi 2 Model B). On-board level shifters make it easy to set up I²C communication and interface other signals between the two controllers, and the A-Star automatically supplies 5 V power to an attached Raspberry Pi. In this setup, the Raspberry Pi can handle the high-level robot control while relying on the A-Star for low-level tasks like reading analog sensors and controlling timing-sensitive devices (e.g. servos).

Our comprehensive user?s guide provides the basics you need to get started with the A-Star as well as detailed technical information for advanced users.

A-Star 32U4 Robot Controller LV with Raspberry Pi Bridge (SMT components only).

This version of the A-Star 32U4 Robot Controller LV with Raspberry Pi Bridge does not include any through-hole components. It ships as shown in the picture above, without any male or female headers, terminal blocks, DC power jack, buzzer, or Raspberry Pi mounting hardware. This configuration is intended for those who want to use the board as a standalone robot controller or customize the way it is assembled for use with a Raspberry Pi.

For a version assembled with selected through-hole parts for use as a Raspberry Pi add-on and with mounting hardware included, see item #3117.

Features:

  • Dimensions: 65 mm × 56 mm (2.6? × 2.2?)
  • Programmable ATmega32U4 MCU with 32 KB flash, 2.5 KB SRAM, 1 KB EEPROM, and native full-speed USB (clocked by precision 16 MHz crystal oscillator)
  • Preloaded with Arduino-compatible bootloader (no external programmer required)
  • All 26 general-purpose I/O lines from the ATmega32U4 are broken out (including PB0, PD5, and PE2); 7 of these can be used as hardware PWM outputs and 12 of these can be used as analog inputs (some I/O lines are used by on-board hardware)
  • Convenient 0.1?-spaced power, ground, and signal connection points
  • Dual bidirectional DRV8838 motor drivers (1.8 A per channel)
  • Buzzer option for simple sounds and music
  • 3 user-controllable LEDs
  • 3 user pushbuttons
  • Reset button
  • Level shifters for interfacing 5 V logic to 3.3 V Raspberry Pi
  • Power features:
    • Can be powered from USB or from a 2.7 V to 11 V external source (with several access points for connecting external power)
    • Switching 5 V regulator enables efficient operation
    • Power switch for external power inputs
    • Reverse-voltage protection on external power inputs
    • Power selection circuit allows for seamless switching between power sources while providing overcurrent protection, and feedback about which power source is selected
    • Provides 5 V power to Raspberry Pi
  • 6-pin ISP header for use with an external programmer
  • Comprehensive user?s guide

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Zusätzliche Informationen

Zolltarifnummer:
85423190

Herkunftsland:
US

Das hängt davon da, wo Sie sich befinden. Nach Übergabe der Bestellung an UPS beträgt die Lieferzeit in Deutschland ca. 2-3 Tage, innerhalb Europas ca. 1 Woche.

Wir versenden unsere Artikel mit unserem Versandpartner UPS.

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