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Comments by Derrill
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Powerful new U3V50x boost regulators
- 6 April 2018Hi, Phil.
We detail the connections for those regulators (including the ENABLE pin) on their respective product pages. The ENABLE pin can be driven low (under 0.7 V) to put the board into a low-power state. If you do not need this feature, you should leave the ENABLE pin disconnected.
-Derrill
New product: Addressable high-density RGB LED strip
- 26 March 2018Hello, jhon.
We do not carry the WS2812B LED strips any longer. We do offer the SK9822/APA102C and SK6812 in 1m lengths and 30 or 60 LEDs per meter densities.
All of our LED strips can be purchased through our website.
-Derrill
Raspberry Zumo Robot
- 5 January 2018Hello, Murat.
We did not make that robot, but the blog post says they used a stripped-down Logitech webcam. Unfortunately, it looks like that website link for the "Raspberry Zumo" is having problems. You might try again at a later time to see if that content comes back up. In the meantime you can see the archive of that website post here:
https://web.archive.org/web/20161115065905/http://www.fred-j.org/?p=366
-Derrill
MSOE underwater robotics ROV
- 14 December 2017Hello,
We are not sure of the exact connectors they used on that system. I suggest asking the MSOE Underwater Robotics team through the link above.
-Derrill
New products: G2 High-Power Motor Driver 18v25 and 24v21 (and price drops for other G2 drivers)
- 12 September 2017Yes, the + and - locations are the intended location for adding a capacitor to the motor power supply. You can also add additional capacitance across VIN and GND if you need it.
-Derrill
New products: G2 High-Power Motor Driver 18v25 and 24v21 (and price drops for other G2 drivers)
- 11 September 2017Hello, kodenma.
The motor supply pin is labeled VIN, so you should put the capacitor across VIN and GND.
-Derrill
New products: G2 High-Power Motor Driver 18v25 and 24v21 (and price drops for other G2 drivers)
- 18 August 2017Hello, Callum.
Those G2 motor drivers will work fine with Arduino controllers, and the pins you mentioned are the minimum required connections to the Arduino. You can see more about the functions of each pin on the driver in the truth table in the "Motor control options" sections of those driver's product pages in the links above.
-Derrill
David's line following robot that learns the course
- 19 April 2017Hello, Srikrishna.
There is a link to the code David used in the last sentence of the post.
-Derrill
Video: Setting the Current Limit on Pololu Stepper Motor Driver Carriers
- 11 April 2017Hello,
The logic power connections to the reset and sleep pins are needed to measure the Vref voltage. In the video, the DRV8825 carrier is set up following all the connections shown in the minimal wiring diagram from the carrier's product page except the motor connections.
-Derrill
37D mm metal gearmotors with encoders and end caps
- 5 April 2017Hello, Tao.
The product pages for those 37D gearmotors with encoders have a chart in the "Using the encoder" section that details the function of each wire by color. If you need more assistance or have technical questions you should contact us via email at support@pololu.com or post a request for help on our forum.
-Derrill