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

Pololu item #: 3118
Brand: Pololu
Status: Active 
RoHS 3 compliant

Price break Unit price (US$)
1 31.95
5 29.39
25 27.04
100 24.88


backorders allowed

This programmable module is designed to be the core of a small robot, either as an auxiliary controller atop a Raspberry Pi base or as a complete control solution on its own. Its ATmega32U4 AVR microcontroller comes preloaded with an Arduino-compatible bootloader. On-board hardware includes dual motor drivers that can deliver 1.7 A per channel and an efficient voltage regulator that allows the controller to work with a 5.5 V to 36 V input voltage, along with level shifters that enable it to interface with a Raspberry Pi. This version (item #3118) does not include any through-hole components or connectors, allowing for customized assembly or standalone use.

 Description Specs (19) Pictures (13) Resources (22) FAQs (0) On the blog (1) 

Dimensions

Size: 65 mm × 56 mm
Weight: 15 g

General specifications

Processor: ATmega32U4 @ 16 MHz
RAM size: 2560 bytes
Program memory size: 32 Kbytes1
Motor driver: MAX14870
Motor channels: 2
User I/O lines: 262
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 A3
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
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.
2
Some I/O lines are used by on-board hardware.
3
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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