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Questions tagged [power]

In physics, power is the rate of doing work.

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Are 8 cells of 1.2 V enough for my Quadruped(spider)?

i have a sprawling type quadruped spider robot. I have 4 Sg90 and 8 mg996r servos used for the legs. I am using a Arduino Mega and I wanted to know if I would be able to power this with the batteries ...
Abhinav Rao's user avatar
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1 answer
48 views

How do i decide what batteries i need for my robot?

I am trying to design a quadrupod(hexapod without the middle legs) and I need to decide an appropriate battery source. Currently I have 8 Mg996r's and 4 SG90's. What i did to measure the battery ...
Abhinav Rao's user avatar
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1 answer
22 views

How can I troubleshoot these under-powered servos?

I have three 150kg servos installed in a robot arm. I have tested them successfully when connected to a servo driver hat on a raspberry pi zero 2w (image). However, they were under-powered because the ...
user3342256's user avatar
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1 answer
18 views

Power management Hardware, recommendation

most real robots will need to provide different voltage level, i.e 5V for MCU, 12V for actuators, 19V for PC/NUC 24V for... Also they all need to monitor charging of batteries as well as Overall power ...
Patrick Weber's user avatar
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1 answer
72 views

Do I need anything between my Raspberry Pi, Orin Nano and Power Bank to protect my RPi and Orin Nano?

I am a beginner and am learning by building a 4-wheel mobile robot. I plan to use Li-ion power banks to power my Raspberry Pi and Orin Nano. Do I need any protection between the power bank and the ...
Msr09's user avatar
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108 views

Hexapod Project Specifications - Power and Servos

So I will get straight to the point. I wanted to get ambitious with my robot project while trying to keep the budget minimum. I have browsed through several posts regarding power sources and servos, ...
Raebel Christo's user avatar
1 vote
1 answer
56 views

How to choose the correct power switch ratings for robotics?

I am making a hexapod with MG996R servos and according to the specifications, each servo has a running current of 500 - 900 mA and a stall current of 2.5 A at 6 V. Since I am making a 3DOF hexapod, ...
Edwin's user avatar
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Building a wired remote control car using a raspi and drone motors

I have a small raspi controlled remote control car using regular drone motors such as these ones and tried using this 60w power supply unit that can be downregulated to 3v and connected everything ...
Yes's user avatar
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1 answer
93 views

Does anyone believe a high voltage battery say 100kV is possible? If so do you have a schematic or know a seller? [closed]

In the interest of soft robotics I need a high power programmable battery power supply. I also found this. https://aip.scitation.org/doi/pdf/10.1063/1.2362721
markbunting's user avatar
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2 answers
162 views

Best way to power Raspberry Pi 4 8GB + Arduino Uno Robot?

I am building a robot that uses an arduino to drive 4 mecanum wheels, which will be controlled by a Raspberry pi 4 8GB with the Lobe Machine Learning Hat via a serial connection. I'm fine with having ...
NCarlson's user avatar
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Stepper Motor: Direct Drive vs. Belt Drive vs. Geared Stepper Motor

I have built a juggling machine. Each arm is driven by a 4A 23mm stepper motor. The motors are each driven by a TB6600 set to 800 microsteps. By trial and error, I have found that the motors skip when ...
Stephen Meschke's user avatar
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1 answer
90 views

Do hobby servos respond to step inputs with a step in torque?

I'm designing a piston that I need to expand a few cm in <100ms to load energy into a spring-mass system with around a pound of force (as shown below). Based on power specs alone, high-end hobby ...
concat's user avatar
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2 votes
1 answer
170 views

Motor driver damage and jerking behavior when load driving in same direction as motor

I'm having trouble with a gear motor being powered by a power supply, while it is being driven by the load in the same direction as the driver wants to drive it. Here is a simple diagram: The gear ...
user3596565's user avatar
1 vote
1 answer
280 views

Power to Raspberry Pi and DC motors from a single USB power bank

I'm running a simple robot involving a Raspberry Pi 3 and 2 JGA25-370 motors. The system is powered from a single Powerbank (EasyAcc 10000MAh) which has 2 2A ports. DIY USB cable has data pins ...
Leonti's user avatar
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Output power of an actuator - General definition

I'm looking for a general definition of the output power of an actuator. Can you suggest me any book or paper or education website where I can find it please? Thank you in advance. EDIT I read the ...
Gennaro Arguzzi's user avatar
1 vote
2 answers
135 views

How to configure a DC power distribution bus

If you have a distributed system of DC motors, sensors and microcontrollers, is power usually distributed over a single high volt bus, using DC converters where needed? Or is it typical to implement ...
Ook's user avatar
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2 votes
2 answers
1k views

Am I calculating my drone's power consumption right?

I want to make an drone with these motors: https://www.amazon.com/XtremeAmazing-2200KV-Brushless-2212-6-helicopter/dp/B01M3UBGU9 1: First of all, are they good? If not, could you suggest me other ...
Vincent Quirion's user avatar
2 votes
2 answers
102 views

problem of power on PIN 1 and PIN 2 of DIN connector of Roomba 521

I notice there is a problem of power on PIN 1 and PIN 2 of DIN connector of Roomba 521...I have only 0,5 V but it's expected 12V...motherboard damaged?
Daniele Velardi's user avatar
0 votes
3 answers
166 views

Stepper Motor power supplies

Being new to the world of stepper motors, I have a Longs Stepper Motor 23HS9430 bought from eBay it's a 3.0 A 5 V motor. Although I have been reading about the supply voltage for the motor, ...
Richard Lea's user avatar
3 votes
1 answer
86 views

High power jumping mechanism in small robots

I recently saw this video on YouTube featuring a jumping robot: 5 Fastest Robots In The World I was curious how this is accomplished mechanically? Do they wind a strong spring or use some sort of air ...
FutureCake's user avatar
2 votes
3 answers
455 views

How to create a stable 48V 10A power supply?

I'm shopping for batteries and it's easy to find a 48V lithium ion battery that has like 30A max continuous discharge rating. However, I know that the battery supply has a variable voltage from 54V - ...
aztrorisk's user avatar
2 votes
1 answer
1k views

How to calculate power supply requirements for Closed Loop Stepper Motors?

I have a CNC Router table that has 4 Nema 23 stepper motor (open loop). I want to upgrade the machine and use 4 Neam 34 Closed Loop Steppers. These are the motors and drivers I'm considering: Steppers:...
oscarm's user avatar
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3 answers
579 views

How to get constant motor RPM regardless of battery voltage?

I have a brushless motor with a propeller attached, driven by an ESC and a LiPo battery. I noticed that as the battery level drops, the motor spins slower, which makes sense. My question is is it ...
Johnny's user avatar
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1 vote
1 answer
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How should I power my servo motor with the Adafruit PCA9685 chip?

So I have an Adafruit pca9685 controlling an HSB-9380TH servo and a MG-996R servo. I recently began learning about building robot so I apologize if these questions seem dumb. I literally spent a days ...
aztrorisk's user avatar
1 vote
1 answer
192 views

Powering servos for quadruped spiderbot using arduino uno [closed]

I am using 12 towerpro SG90 servos. What battery should I use for powering 12 servos for my arduino uno? Can i use the 12v battery, plug it in to 12v dc jack of arduino and tap the 5v output of ...
Justine Fred Bautista's user avatar
0 votes
1 answer
341 views

What is the best way to power source small Robot

I am trying to make a small robot with 4 12 v DC Motor + Raspberry PI + camera possibly a USB camera. I am very confused with power source. Is it possible to get all of them powered by a single power ...
RahulAN's user avatar
3 votes
3 answers
308 views

Powering multicopter with multiple dedicated batteries

I am in the starting phase of building a fairly large octo-copter drone. I am currently thinking about the possibility of powering my octo-copter design using 4 separate batteries where each battery ...
RalleGAB's user avatar
0 votes
1 answer
140 views

Power delivery issue for our human following robot project

We are very new in the game of robotics and we are dealing with a power delivery issue for our motors. We are using two 12V DC motors to give motion to our robot. We are using the L293D motor driver ...
Kartikeya Pande's user avatar
1 vote
0 answers
118 views

PixHawk I/II not working in 'Rover' mode (firmware issue?).... HELP!

We are working in a new agricultural rover, and we opted for PixHaw-II+ROS+MavLink platform as a good control alternative. However, our project is stuck as the PixHawk seems to work only when it is ...
Hector Cadavid's user avatar
1 vote
2 answers
175 views

Are robot's codes usually compiled or interpreted?

I would bet that usually these are compiled for better performance, and of lawful reasons (make it harder for any user to save code without decompiling), though I'm not sure. In any case, I believe ...
user avatar
0 votes
1 answer
44 views

Powering a robot using the 12v adapter

Hello every one hope you all alrigt I am working on a mecanum wheel robot and now I am facing a problem to afford a lipo battery which the required voltage to power my robot is 12 So I think that I ...
ShehabAldeen's user avatar
2 votes
1 answer
90 views

What battery capacity would be required to run a component for an hour?

I have a 9.8kW Component that runs at 51.8 Volts. That means I need a battery that has about 9.8kWh of energy to run the component for an hour For the sake of simplicity, say I have some batteries ...
tuskiomi's user avatar
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0 votes
1 answer
53 views

Will this have more or less lifting strength

Bit of an engineering question. If a snake robot is 100 cm long, and every 10 cm is another motor. Would the robot lift more weight, the longer/more motors attached to it.. or is lifting ability ...
Carson's user avatar
  • 105
3 votes
3 answers
5k views

Supplying power from a power bank to an arduino and DC Motors

I have a two port powerbank capable of supplying a maximum of 5V 2.1A I'm using it to power an Arduino and a L293D IC connected to two DC motors which have the following specifications: Working ...
prajwaldp's user avatar
3 votes
2 answers
342 views

Can high voltage power lines provide a super highway for drones?

Is there a way to convert the EM field that surrounds high voltage power lines for direct usable electricity for air or ground drones for continuous flight or travel? Added: Yes could the EM field be ...
Muze's user avatar
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0 votes
1 answer
35 views

2 way Switch powerbar [closed]

For some important reasons the plugged cable 1 must not be on at the same time as the the plugged cable 2. It must be idiot proof... I'm talking about regular house power north america. What is the ...
Mark's user avatar
  • 101
0 votes
1 answer
85 views

How to power this servomotor?

I would like to use and test this type of servo motor, significantly stronger than the ones I've been using previously. However the datasheets seem to be limited and I can't exactly tell how to use ...
JDS's user avatar
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2 votes
1 answer
1k views

How are huge industrial robots powered?

Take a look at this monster lifting a car. Now I don't think one can get that power by plugging into a wall outlet. So how are these huge robots (their servos) powered? Gasoline? How is power stored, ...
JDS's user avatar
  • 429
2 votes
1 answer
146 views

Switching from wall power to battery and back again

I'm in the final phase of my BeerBot* project, and I'm looking for the best way to power it. BeerBot will spend most of his life sitting in a docking station, keeping his battery charged and running ...
Jeff Loughlin's user avatar
4 votes
3 answers
1k views

Power solution for Raspberry Pi robot

I am building a Pi car with 4 gear motors (190-250mAh each max). Now I want to use my 10000mAh USB power bank to power up raspberry pi along with the 4 gear motors. I can power up the raspberry pi ...
Tanvir Rajeev's user avatar
1 vote
2 answers
65 views

Running a cycle on brushless outrunner motors? [closed]

Is it possible to convert a cycle into an electric bike by using brushless outrunner motors that usually are for RC planes, multicopter, helicopter, etc? If it is possible, what specs do my motors ...
SidS's user avatar
  • 248
1 vote
4 answers
2k views

Is it possible to use a LiPo charger as a lab bench power supply?

I recently thought about building a lab bench power supply, it comes in cheaper and I love to build things... But then I also have a LiPo charger an iMax B6AC, that I had bought for my quadcopter, ...
SidS's user avatar
  • 248
2 votes
1 answer
207 views

Measure 2 diffrent battery voltages on arduino

Is it possible to measure the voltage of 2 different batteries on arduino? Currently I am able to use a resistor divider / voltage divider of 2x 10K resistors to an analog pin to read the voltage of ...
Alex's user avatar
  • 143
2 votes
3 answers
5k views

Is horsepower related to torque in electric motors? [closed]

Is torque related to size or power at all in electric motors? And what about gas motors too? I have a go kart that is 2.5hp and it's 50cc and its about 1ft x 2ft x 1ft in size. I also see online ...
Chad K's user avatar
  • 121
0 votes
1 answer
56 views

How can I charge a 11,1 volt LiPo akku?

I didn't found any modules to charge my 11,1 volt LiPo akku, only for 3,7 volt with 5 volt power supply. How can I handle that with a micro-USB connector on my robotplatform?
phil98's user avatar
  • 1
3 votes
3 answers
938 views

Can we simulate a actuator with a very strong torque with a PID controller

I use gazebo to simulate a robot arm. To control its joints, I use PID controllers. As you might know, PID are sometimes pretty hard to tune and this is the case for a robotic arm. To avoid any tuning,...
Robin's user avatar
  • 133
2 votes
2 answers
418 views

How to decide the battery power for my robot

I need my motor to be powered with 12V, 5A for 1 hour continuously. How can i decide the Ah rate of the battery. Please suggest some lithium ion battery for the specification
user3725099's user avatar
1 vote
2 answers
82 views

Mobile phone power packs

For my robotics project I would like to utilise readily available mobile phone 'power banks' to simplify the power system for my robot. However, such power banks output 5V, great for the logic systems ...
Scott Downey's user avatar
0 votes
1 answer
101 views

Solar Cells Charging a Li-Po Battery [duplicate]

Is there a way to charge a Li-Po battery using solar panels to increase the flight time of a quadcopter during its flight?
Dale Sebastian's user avatar
0 votes
1 answer
74 views

Erratic motor behavior. Is it due to the faulty remote control or Grounding or something else?

I am using arduino mega to run 4 motors via 4 motor controllers. I am using a ps2 controller as the remote control. When the joystick is at rest, the motor should stop. The problem is the motor still ...
goddar's user avatar
  • 311