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Romi 32U4 Control Board
The Romi 32U4 Control Board turns the Romi chassis into a programmable robot based on the Arduino-compatible ATmega32U4 MCU. Its features include integrated dual motor drivers, a versatile power circuit, and inertial sensors, as well as connections for quadrature encoders and an optional LCD. The board also has the ability to interface with an added Raspberry Pi, making the foundation for a complete Raspberry Pi-controlled Romi robot.
Compare all products in Romi Chassis and Accessories or Raspberry Pi Expansion Boards or Robot Kits with Soldering.
| Description | Specs (16) | Resources (15) | FAQs | On the blog (3) | 户外直播啪啪视频 (3) |
|---|
Dimensions
| Size: | 4.4″ × 3.3″ × 0.38″1 |
|---|---|
| Weight: | 35 g1 |
General specifications
| Current rating: | 5 A2 |
|---|---|
| Processor: | ATmega32U4 @ 16 MHz |
| RAM size: | 2560 bytes |
| Program memory size: | 32 Kbytes3 |
| Motor driver: | DRV8838 |
| Motor channels: | 2 |
| Minimum operating voltage: | 2.5 V |
| Maximum operating voltage: | 10.8 V |
| Continuous output current per channel: | 1.8 A |
| Logic voltage: | 5 V |
| Reverse voltage protection?: | Y |
| External programmer required?: | N |
Identifying markings
| PCB dev codes: | rom04a |
|---|---|
| Other PCB markings: | 0J10217 |
Notes:
- 1
- Without included hardware.
- 2
- This is the rating for the battery power switching circuit and limits the current available at VSW.
- 3
- 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.
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