DESCRIPTION
The 3pi+ 32U4 is a versatile, high-performance, user-programmable robot that measures just 9.7 cm (3.8″) in diameter. At its heart is an ATmega32U4 AVR microcontroller from Microchip (formerly Atmel), and like our A-Star 32U4 programmable controllers, the 3pi+ 32U4 features a USB interface and ships preloaded with an Arduino-compatible bootloader, so all you need to program it is a USB A to Micro-B cable (not included). A software add-on is available that makes it easy to program the robot from the Arduino environment, and we have Arduino libraries and example sketches to help get you started. For advanced users who want to customize or enhance their robots with additional peripherals, the robot’s power rails, power system controls, and microcontroller’s I/O lines can be accessed via several 0.1″-pitch expansion ports.
The 3pi+ (or 3𝜋+) features two H-bridge motor drivers and a variety of integrated sensors, including a pair of quadrature encoders for closed-loop motor control, a complete inertial measurement unit (3-axis accelerometer, gyro, and magnetometer), five downward-facing reflectance sensors for line-following or edge-detection, and left and right bump sensors along the front face of the robot. Three onboard pushbuttons offer a convenient interface for user input, and an LCD, buzzer, and indicator LEDs allow the robot to provide feedback. The robot also features a unique power system that runs the motors at a constant 8 V independent of the battery charge level, so the speed of the motors does not vary with the battery voltage.
RESOURCES
- Pololu A-Star 32U4 drivers for Windows (version 1.3.0.0)
- Schematic diagram of the 3pi+ 32U4 Control Board
- Pinout and power distribution diagrams of the 3pi+ 32U4 Control Board
- 3D models of the 3pi+ 32U4 Robot
- 3D model of the 3pi+ 32U4 Control Board
- Drill guides for the 3pi+ 32U4 Control Board
- Pololu3piPlus32U4 Arduino library
Fast Shipping & Professional Packing
We have a range of shipping options due to our long-term partnership with UPS FedEx DHL. Our warehouse staff is highly skilled and will pack your products according to our precise and exact specifications. Your goods will go through a thorough inspection and be adequately secured before being shipped. Everyday we deliver thousands of packages to customers across many countries. This shows our commitment to become the biggest online retailer on earth. There are distribution centers as well as warehouses in Europe and the USA.
Orders that include more than 1 item are assigned processing times in accordance with the item.
Prior to shipment, all purchased items will be thoroughly examined. Most orders are delivered within 48 hours. The expected delivery time is between 3-7 days.
Returns
The stock is constantly changing and is not completely managed by us due to the involvement of many parties including the factory and our warehouse. Stocks can be changed at any time. It is possible that you will not receive your purchase after it has been placed.
Our policy is valid for 30 days. If 30 days have gone without a trace since the purchase however, we're unable to give you a refund or exchange.
You are able to return an item in the event that it is not used and is in the same condition when you received it. It should also be returned in the original packaging.
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