Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [pololu]

The tag has no usage guidance.

0
votes
0answers
16 views

How to use many separated A4899 for controling steppers

Basically, I was seeing the diagram for the A4899, in which mentions a logic power supply(image for reference), the thing is, how would it work if I needed more than two drivers? I was worried that ...
0
votes
1answer
80 views

Where to place a MOSFET switch

After many years, I'm getting back into some simple wiring. I'm trying to make a self-sustained wifi tracker. This tracker will have a 3.3v Button cell lipo battery as a battery backup and I want to ...
3
votes
5answers
1k views

Why does my microcontroller's 5V out fail to activate my 5V relay?

I am using a small microcontroller with 5V output lines to try to turn a relay on and off. I bought the relay module from Amazon and unfortunately I don't know much about what is on the relay module'...
1
vote
1answer
322 views

Pololu step-up converter drops voltage

I have a Pololu 3.3V step-up converter - U1V11F3. I tested it by connecting a regular 1.5V alkaline battery for input and a resistor at output. With no load or small load (10K) it keeps the output ...
1
vote
1answer
138 views

Pololu Pushbutton Power Switch

I am replacing my auxiliary light switch of my car. on the switch assembly, it has a positive, negative, and ground. I am replacing it with a pololu pushbutton power switch with an oem switch that is ...
-2
votes
2answers
87 views

Connect micro gearmotor to 5V battery

Would 3 motors (like this one http://www.pololu.com/catalog/product/993) connected to a 5V battery (like this one http://www.dx.com/p/59438) work?
4
votes
2answers
8k views

Maximum speed of stepper motor

I would like to compute maximum speed (RPM) of my bipolar stepper motor 42BYGHM809 -- rated voltage 2.7 V, rated current 1.78 A, phase resistance 1.6Ohm, phase inductance 2.5 mH. I know how to ...
0
votes
1answer
1k views

Programming a Baby Orangutan using Arduino Uno?

I have the following setup: Arduino UNO without the chip: Notice that the Atmel chip is missing. And i have a Baby Orangutan: The orangutan burned with Arduino Uno R3 Bootloader. I connected ...
1
vote
1answer
5k views

Unable to read values from Pololu QTR 8RC

I am using the Pololu QTR 8RC sensor array. I am using only 5 sensors. I have connected the sensors to arduino on digital pins 3 till 7 + VCC and GND. I am using the example sketch. If I use the ...
5
votes
6answers
1k views

Servo jitters at specific positions, why?

I have a Pololu Micro Maestro, and it's great. But when i tell the servos to move to specific positions, sometimes it makes a beeping-like noise. This only happens at specific positions. It's not ...
4
votes
1answer
2k views

QTR 8RC White line detection

I am using a qtr8-rc sensor array on a line following robot, When I use it on a black line on a white surface it works but when i try to use it on a black surface with white line i can't get correct ...
1
vote
3answers
172 views

Experience with Pololu Robots [closed]

Has anyone had much experience with the Pololu Robots Which are the coolest? what do you recommend i get? I'd like to hear about some cool projects with these Robots :)