Pololu Blog (Page 21)

Welcome to the Pololu Blog, where we provide updates about what we and our customers are doing and thinking about. This blog used to be Pololu president Jan Malášek’s Engage Your Brain blog; you can view just those posts here.

Dual motor drivers for less than $5

Posted by Emily on 7 August 2013
Tags: pricing

As part of our continuing efforts to make better quality products at lower prices, we have dropped the prices on some of our smallest dual motor driver carriers and made the first quantity price breaks at just five units for an even better deal! We hope this will make them more compelling alternatives to old motor drivers like the L293D or SN754410.

Our DRV8835 carrier has dropped from $5.95 to $4.49.

Our DRV8833 carrier has dropped from $6.95 to $4.95.

And finally, our TB6612FNG carrier has dropped from $8.45 to $4.95. This especially steep price reduction is made possible in part by upgrading the TB6612FNG carrier to use a new reverse protection circuit and all ceramic capacitors (which also allow for a lower profile). The new version of the board is pictured to the left, but we are still transitioning from the old version, so you might receive either one until we complete the transition. For pictures of the original board and details on the status of the transition, please visit the product page.

New products: Universal Aluminum Mounting Hubs with M3 holes

Posted by Kevin on 5 August 2013
Tags: new products
New products: Universal Aluminum Mounting Hubs with M3 holes

Our universal mounting hubs are now available in versions with mounting holes sized for M3 screws (not included). These aluminum hubs allow you to mount custom wheels and mechanisms to 3 mm, 4 mm, 5 mm, and 6 mm shafts. Each set of two hubs includes the required set screws and an Allen wrench for securing the hubs to motor shafts.

New product: Machined Aluminum Bracket for 37D mm Metal Gearmotors

Posted by Kevin on 2 August 2013
Tags: new products
New product: Machined Aluminum Bracket for 37D mm Metal Gearmotors

We have released a new machined aluminum bracket that lets you securely mount our 37D mm metal gearmotors to your project. The bracket has six holes on its face that line up with the 37D gearbox’s mounting holes, and it has three tapped holes on the bottom. Nine M3 screws are included for securing the bracket to the motor and mounting surface.

New products: QTR-3A and QTR-3RC Reflectance Sensor Arrays

Posted by Kevin on 1 August 2013
Tags: new products
New products: QTR-3A and QTR-3RC Reflectance Sensor Arrays

Our new QTR-3A and QTR-3RC reflectance sensor arrays pack three IR emitter and receiver (phototransistor) pairs onto a board measuring just 1.25″ × 0.3″ (32 mm × 8 mm). With the sensors mounted on a 0.375″ pitch, these sensor arrays are great for sensing 3/4″ black electrical tape when used as minimal detectors on line-following robots!

Two versions of these sensor modules are available: the QTR-3A provides three analog voltage outputs, while the QTR-3RC provides three digital pulse signals that can be read with digital I/O lines.

New product: Sparkfun Starter Kit for RedBoard

Posted by Kevin on 30 July 2013
Tags: new products
New product: Sparkfun Starter Kit for RedBoard

The SparkFun Starter Kit for RedBoard is an easy way to get started building entertaining and educational circuits with SparkFun’s RedBoard, an Arduino clone that is compatible with the Uno R3. The kit includes a RedBoard along with various types of sensors and indicators. A downloadable guide features example projects to introduce you to the world of embedded electronics.

Video: Getting started with the Maestro

Posted by Emily on 26 July 2013

We are excited to release this new video for our Maestro Servo Controllers! Get some ideas for cool things you can do with the Maestro, and see how easy it is to get started with our custom software. This is the first of many fun new Pololu videos to come! Let us know what you think or what other products you would like to see in action in the comment section below.

Lunokhod

Posted by Paul on 8 July 2013
Lunokhod

Lunokhod, which means “Moon Walker” in Russian, was built for a space museum in Prague and is a miniature version of the first remote-controlled moon rover. It is uses 8 of our 298:1 Micro Metal Gearmotors and an Arduino Nano and can be remotely controlled by museum visitors.

Featured link: http://beatty-robotics.com/lunokhod

Simple 18-servo hexapod

Posted by Paul on 8 July 2013
Simple 18-servo hexapod

This instructable shows how to make a simple 18-servo hexapod robot that uses either just an Arduino or an Arduino and a Maestro to control its servos.

Featured link: http://www.instructables.com/id/Simple-18dof-Hexapod-Arduino-nano-optionally-wit/

New products: Step-up Voltage Regulators U1V11F3, U1V11F5, and U1V11A

Posted by Claire on 5 July 2013
Tags: new products
New products: Step-up Voltage Regulators U1V11F3, U1V11F5, and U1V11A

We have released three new step-up regulators that can boost input voltages as low as 0.5 V and have typical efficiencies between 70 and 90%. Unlike most boost regulators, these offer a true shutdown option that turns off power to the load. They also automatically switch to a linear down-regulation mode when the input voltage exceeds the output, making them great for powering electronics projects from 1 – 3 NiMH, NiCd, or alkaline cells or from a single lithium-ion cell.

These regulators are available with a 3.3 V or 5 V fixed output voltage or an adjustable output voltage (2 V – 5.25 V).

Underwater Vehicle for MATE ROV Competition

Posted by Ryan on 27 June 2013
Underwater Vehicle for MATE ROV Competition

The AMNO & CO ROV team uses our Simple Motor Controllers in their remotely operated underwater vehicle. The team placed 13th at the 12th Annual MATE International ROV Competition (and 2nd in regionals)!

Featured link: https://www.facebook.com/AMNOandCoROV