A-Star 32U4 Robot Controller SV with Raspberry Pi Bridge

Pololu item #: 3119 35 in stock
Brand: Pololu
Status: Active and Preferred 
RoHS 3 compliant
This item could qualify for free shipping Free shipping in USA over $60 

Price break Unit price (US$)
1 39.95
10 35.96
50 31.96


backorders allowed

This programmable module combines with a Raspberry Pi to serve as the control center of a small robot or electronics project. Its ATmega32U4 AVR microcontroller comes preloaded with an Arduino-compatible bootloader, and the board includes dual motor drivers that can deliver 1.7 A per channel to two brushed DC motors. An efficient voltage regulator (5.5 V to 36 V input) and level shifters enable it to power and communicate with a Raspberry Pi. This version (item #3119) is assembled with selected through-hole connectors and components installed for use as a Raspberry Pi add-on.

 Description Specs (19) Pictures (13) Resources (22) FAQs (0) On the blog (5) 

Dimensions

Size: 65 mm × 56 mm
Weight: 23 g1

General specifications

Processor: ATmega32U4 @ 16 MHz
RAM size: 2560 bytes
Program memory size: 32 Kbytes2
Motor driver: MAX14870
Motor channels: 2
User I/O lines: 263
Input voltage range: 5.5 V to 36 V
Minimum operating voltage: 5.5 V
Maximum operating voltage: 36 V
Maximum output current: 2.5 A4
Continuous output current per channel: 1.7 A
Peak output current per channel: 2.5 A
Logic voltage: 5 V
Reverse voltage protection?: Y
External programmer required?: N

Identifying markings

PCB dev codes: ac04c
Other PCB markings: 0J9476

Notes:

1
Without included mounting hardware.
2
Note that 4 KB of the MCU's 32 KB of flash memory is used by the pre-installed USB bootloader. All 32 KB is available when programming via the ISP header rather than the bootloader.
3
Some I/O lines are used by on-board hardware.
4
Available current depends on input voltage, current consumed by the board, ambient conditions, and regulator topology. See product documentation and performance graphs for details.

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