Pololu Blog (Page 84)

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.

Popular tags: community projects new products raspberry pi arduino more…

Monitoring power consumption with the ACS715

Posted by Paul on 21 September 2012

This blog post by Steve Spence discusses using an ACS715 Current Sensor Carrier to monitor the current consumption of a ham radio when in emergency communication mode.

Prometheus - a CNC Router Project

Posted by Paul on 21 September 2012

This CNC router features four of our A4988 stepper motor driver carriers. You can find more videos and information in this CNCzone forum post.

Ten years in Las Vegas

Posted by Jan on 5 June 2012
Ten years in Las Vegas

Starting with the move from our dorm to an apartment in Watertown, Massachusetts, Pololu has moved or expanded ten times. The most significant was our move to Las Vegas, which represented a commitment to doing this thing for real. This past Sunday was the 10-year anniversary of arriving in Las Vegas, so I figured I should commemorate it by putting up some old pictures. Continued…

Tabletop Robotics 3pi Projects

Posted by Ryan on 31 May 2012

Tabletop Robotics is a site with a series of interesting, customer-created open source projects for the 3pi robot, including barcode reading, grid navigation, and remote control.

Thoughts on Open-Source Hardware

Posted by Jan on 26 April 2012
Thoughts on Open-Source Hardware

As open-source hardware (OSHW) has become more prominent over the past five years or so, I have heard questions about where I or Pololu stand on the subject. Most recently, I got into a bit of a discussion with Phillip Torrone of Make and Adafruit on one of his blog posts, and his questions and subsequent interview pushed me to try to organize some of my thoughts about OSHW. Because there are many aspects to OSHW, I don’t have a simple conclusion like, “It’s great!” or “It’s the future!” or “Pololu will never release an OSHW product.”. I am skeptical of some of the claims by OSHW proponents and of the significance of the more organized aspects of the OSHW movement. However, what is going on is very significant to me because it affects Pololu’s business and involves issues I care about a lot, such as freedom, creating things, and education. Continued…

Wixel as Wireless USB for Propeller Chip

Posted by Paul on 19 April 2012

This video by Martin Heermance shows how you can use a Wixel to to wirelessly program a Parallax Propeller microcontroller. For more information see this forum thread.

New Products

A5984 Stepper Motor Driver Carrier, Fixed 1.5A@5V / 1A@3.3V, Blue Edition
ACS37220LEZATR-100B5 Current Sensor Compact Carrier -100A to +100A, 5V
75:1 Micro Metal Gearmotor HP 6V with 12 CPR Encoder, Back Connector
3.3V, 100mA Step-Down Voltage Regulator D45V1E1F3
Pololu Reverse Voltage Protector, 4-60V, 25A
Graphical OLED Display: 128x64, 1.3", White Pixels, SPI, Black PCB
Isolated DC-DC Power Module, MIE1W0505BGLVH, 5V/3.3V, 200mA
A5984 Stepper Motor Driver Carrier, Fixed 1A@5V / 660mA@3.3V, Blue Edition (Soldered Header Pins)
Pololu Reverse Voltage Protector, 4-60V, 12A
150:1 Micro Metal Gearmotor MP 6V with 12 CPR Encoder, Side Connector
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