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Useful Sensor Feedback for Smarter Controller-Based Projects
The Pololu 3pi Robot - ATmega328P, 5 QTR Sensors, 8x2 LCD, Arduino is a practical sensor from Pololu for students, makers, and repair-friendly builds. It fits well in projects that need feedback and detection, while keeping setup straightforward for testing and prototype work.
Compared with generic parts, this product stands out through details such as sensor. That makes it a solid choice for Arduino, ESP32, Raspberry Pi, robotics, motion-control, and workshop projects where matching the right part from the start saves time.
Important: Always match the electrical rating, size, and control method of this part with the rest of your setup before full-power testing.
Why you'll love it
- Adds project feedback: adds useful value when choosing parts for a build
- Useful for automation logic: adds useful value when choosing parts for a build
- Works well in test builds: adds useful value when choosing parts for a build
- Easy to combine with controller code: adds useful value when choosing parts for a build
What you can build
This product is a good fit for smart robots, feedback systems, environmental monitoring, and controller-based automation. It works especially well in student projects, quick repairs, and prototype builds where part availability, straightforward hookup, and predictable results matter.
Starter bundles
Most users pair this with Arduino, ESP32, or Raspberry Pi, along with jumper wires and a proper power source for the target load or sensor.
Recommended add-ons
Popular add-ons depend on your build, but matching controllers, power supplies, and compatible motion parts usually make integration easier. You can also compare it with Line Tracking Sensor for Arduino, Pololu Zumo Robot for Arduino v1.2 - Tracked Mini-Sumo Platform.
Comparison table
| Compared Product | Best For | Key Difference | Direct Link |
|---|---|---|---|
| Line Tracking Sensor for Arduino | feedback and detection | Line Tracking Sensor for | View product |
| Pololu Zumo Robot for Arduino v1.2 - Tracked Mini-Sumo Platform | classroom and quick-build projects | mini | View product |
| Pololu Zumo Chassis Kit - Mini-Sumo Tracked Robot Chassis | robot base assemblies | mini | View product |
Technical specifications
| Product | Pololu 3pi Robot - ATmega328P, 5 QTR Sensors, 8x2 LCD, Arduino |
|---|---|
| Brand | Pololu |
| Product Type | Sensor |
| Category | Robotic Toys |
| Store Type | Robot Kit |
| Primary SKU | POL975 |
| Product URL | https://circuit.rocks/products/pololu-3pi-robot-arduino-compatible-atmega328p-with-reflectance-sensors |
Pinout & power notes
Check the module voltage and interface before wiring. Most sensor modules need power, ground, and one or more signal pins, with some using analog output and others using digital or I2C.
What’s in the box
1 × Pololu 3pi Robot - ATmega328P, 5 QTR Sensors, 8x2 LCD, Arduino
Frequently Asked Questions
Can this work with Arduino or similar boards?
Yes, as long as the voltage, control method, and wiring match your controller and power supply.
Should I power it directly from a controller pin?
For small signal-only modules that may be fine, but motors, pumps, solenoids, and relays should use a proper driver or external supply.
Is this good for student and prototype builds?
Yes. It fits well in testing, learning, and proof-of-concept projects when matched with the right support parts.
Do I need to check the interface first?
Yes. Some sensors use analog output, while others use digital, pulse, or bus interfaces such as I2C.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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