Machine Hex Nut: #4-40 (25-pack)
List of products by brand Pololu
Pololu – Innovative Solutions for Robotics and Automation
Pololu is a U.S.-based manufacturer of high-quality electronic and mechanical components used in robotics, automation, and embedded systems. The company specializes in motor controllers, sensors, power modules, and development boards, which are widely applied in professional control systems as well as educational and hobbyist projects. With advanced technology and high reliability, Pololu products are trusted by engineers and IoT developers worldwide.
There are 1627 products.
Large Carrier version current sensor from Pololu, model 5276, based on the ACS72981LLRATR-100U5 IC, designed for measuring current in the range from 0 A to 100 A at a 5 V supply in applications requiring galvanic isolation and analog output. Pololu 5276
The FS90 analog servo from FEETECH is a great general-purpose micro servo at a great price. Servo horns and associated hardware are included.
Key specs at 6 V: 0.10 sec/60°, 21 oz-in (1.5 kg-cm), 9.0 g.
Aluminum Standoff: 1/8" Length, 4-40 Thread, F-F (4-Pack)
Large Carrier version current sensor from Pololu, model 5274, based on the ACS72981LLRATR-100B5 IC, designed for measuring current in the range from -100 A to +100 A at a 5 V supply in applications requiring galvanic isolation and analog output. Pololu 5274
Pololu 5655 is a JST PH and SH 4-pin connector adapter designed for systems based on a 2.54 mm pitch. With the side-entry PH connector and compact design, it is suitable for applications requiring low-profile mounting and four-channel signal or power connections.
Pololu 5654 is a four-channel JST PH and SH connector adapter for systems based on a 2.54 mm pitch. It facilitates the integration of signal and power wires in prototyping projects and electronic devices where 4-pin connectors are required.
Pololu 5652 is an adapter that allows connection of 3-wire JST PH and SH connectors to circuits with 2.54 mm pin headers. Applications include sensors, communication modules, and servo systems. The adapter is a convenient tool for quick integration of wires with prototyping boards.
A stepper motor driver for precise control of bipolar motors, offering six microstepping modes (from full to 1/32). It operates within a voltage range of 8.2V to 44V and delivers up to 1.5A per phase without cooling or up to 2.2A with a heatsink/fan, ensuring smooth and stable operation even at high speeds. Compatible with the popular A4988 and DRV8825 drivers, with an integrated regulator and overheating, overload, and short circuit protection, the TB67S581FNG is a reliable and versatile solution for applications requiring precise motion control. Pololu 2989
A 2-pack of adapter boards with 2-pin JST SH side-entry connectors for Pololu single-shaft micro metal gearmotors. Enables easy power wiring in space-constrained electronic or robotic projects. Pololu 5098
Pololu - 1524
USB-TTL converter with CP2102N chip, which enables stable serial communication between computer and TTL devices, supporting baud rates up to 3 Mbps. The module operates at 3.3 V by default, tolerant of 5 V on inputs, and its compact size and standard 2.54 mm pitch make it easy to integrate into projects. Pololu 1317
A reflective sensor that precisely measures the intensity of light reflected from a surface using an IR LED and a phototransistor. It offers a long detection range—optimally around 20 mm, and up to 80 mm—thanks to the QTRXL sensor with a built-in lens and adjustable LED brightness. It generates a digital RC signal that\'s easily read by microcontrollers like Arduino or Raspberry Pi. Pololu 4540
Compact current sensor Pololu 5300 based on the CT432-HSWF20MR, designed for current measurement in the range from -20A to +20A at 5V supply in applications requiring galvanic isolation and analog voltage output. Pololu 5300
An H-bridge capable of controlling one DC motor in both directions or two unidirectional motors at voltages from 4.5 to 44 V and continuous current up to 1.1 A. The module offers three operating modes (PH/EN, IN/IN, half-bridge), built-in current limiting and measurement, and protection against overheating, overload, undervoltage, and reverse polarity. Its compact design, flexible logic power supply (1.8–5.5 V), and simple control make it ideal for robotics, automation, and hobby projects. Pololu 4972
Compact current sensor Pololu 5301 based on the CT432-HSWF30MR, designed for current measurement in the range from -30A to +30A at 5V supply in applications requiring galvanic isolation and analog voltage output. Pololu 5301
Compact current sensor Pololu 5302 based on the CT432-HSWF50MR, designed for current measurement in the range from -50A to +50A at 5V supply in applications requiring galvanic isolation and analog voltage output. Pololu 5302
Compact current sensor Pololu 5303 based on the CT432-HSWF65MR, designed for current measurement in the range from -65A to +65A at 5V supply in applications requiring galvanic isolation and analog voltage output. Pololu 5303
Compact current sensor Pololu 5315 based on the CT433-HSWF70MR, designed for measuring currents up to ±70 A at a 3.3 V supply in applications requiring galvanic isolation and analog voltage output. Pololu 5315
A USB-to-I²C adapter that allows a computer to act as an I²C bus controller, supporting speeds over 1 MHz, clock stretching, and bidirectional communication. The device offers full galvanic isolation between USB and I²C, protecting the computer from damage and interference. With JST SH and goldpin connectors, USB-C support, a virtual serial port, and a Python library, the adapter is a versatile tool for working with I²C devices in both hobbyist and professional projects. Pololu 5396
Motor Controllers and Drives for Robotics
Pololu offers a wide range of motor controllers that enable precise motion control in robotics and automation systems. The product lineup includes controllers for DC motors, stepper motors, and servos, ensuring stable operation and broad compatibility with popular microcontrollers such as Arduino and Raspberry Pi. Pololu controllers support both simple DC motors and more advanced electric motors, featuring H-bridges, voltage regulators, and encoders for precise speed and position control.
Sensors and Electronic Modules
Pololu provides distance sensors, gyroscopes, accelerometers, and line sensors that allow for environmental monitoring and obstacle detection in autonomous systems. The company also offers EMG sensors for bioelectrical signal analysis and motion tracking sensors. With low latency and high accuracy, Pololu sensors are widely used in robotics, medical applications, and industrial automation.
Power Modules and Voltage Regulators
Pololu designs efficient step-up and step-down voltage regulators that ensure stable power supply in mobile and stationary systems. These products offer high energy efficiency and support various input voltage ranges, making them ideal for powering motors, microcontrollers, and control modules.
Development Boards and Arduino Compatibility
Pololu manufactures development boards based on ATmega microcontrollers that are fully compatible with the Arduino IDE. This allows users to easily program and test their applications. These modules support popular communication interfaces such as SPI, I2C, and UART and provide extensive expansion options through GPIO connectors.
Applications in Industry, Education, and Robotics
Pololu products are widely used in mobile robots, monitoring systems, 3D printers, and industrial automation. Thanks to their high precision and reliability, Pololu motor controllers are used by both hobbyists and professional engineers to build modern, digitally controlled systems.
Pololu – Reliable Components for Modern Electronics
With an innovative approach to motion control systems, precise sensors, and power management modules, Pololu is a leader in robotics and automation. The company continuously develops its products, adapting to evolving technological demands and introducing new solutions that enhance energy efficiency and motion precision. Pololu is the ideal choice for anyone seeking high-quality components for electronics, robotics, and control systems.