Questions tagged [power]
In physics, power is the rate of doing work.
95
questions
0
votes
1
answer
21
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 ...
0
votes
0
answers
19
views
LiPo Battery or Li-ion Power Bank for Orin Nano? [closed]
I am a beginner and am learning by building a mobile robot. I wondered whether a LiPo or Li-ion Power Bank would be a good choice to power the Raspberry Pi and Orin Nano.
1
vote
0
answers
42
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, ...
1
vote
1
answer
38
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, ...
0
votes
0
answers
24
views
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 ...
1
vote
1
answer
87
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
0
votes
2
answers
95
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 ...
2
votes
1
answer
668
views
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 ...
0
votes
1
answer
65
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 ...
2
votes
1
answer
112
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 ...
1
vote
1
answer
213
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 ...
0
votes
1
answer
47
views
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 ...
1
vote
2
answers
113
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 ...
2
votes
2
answers
709
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 ...
2
votes
2
answers
99
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?
0
votes
3
answers
160
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, ...
3
votes
1
answer
82
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 ...
2
votes
3
answers
415
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 - ...
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:...
3
votes
3
answers
500
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 ...
1
vote
1
answer
1k
views
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 ...
1
vote
1
answer
165
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 ...
0
votes
1
answer
308
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 ...
3
votes
3
answers
260
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 ...
0
votes
1
answer
95
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 ...
1
vote
0
answers
115
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 ...
1
vote
2
answers
158
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 ...
0
votes
1
answer
39
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 ...
2
votes
1
answer
89
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 ...
0
votes
1
answer
52
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 ...
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 ...
3
votes
2
answers
334
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 ...
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 ...
0
votes
1
answer
83
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 ...
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, ...
2
votes
1
answer
138
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 ...
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 ...
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 ...
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, ...
2
votes
1
answer
186
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 ...
2
votes
3
answers
4k
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 ...
0
votes
1
answer
55
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?
3
votes
3
answers
889
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,...
2
votes
2
answers
394
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
1
vote
2
answers
79
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 ...
0
votes
1
answer
99
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?
0
votes
1
answer
73
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 ...
2
votes
4
answers
41k
views
Does the mAh of a battery mean longer power or more power?
If a Lipo battery has more mAh will it be slower to run out of energy or will it have larger power output?
Thanks in Advance
4
votes
3
answers
441
views
Best power solution for my robot
I've built quadruped robot which is using 12 servos (TowerPro SG90 Servo) and Raspberry Pi (model B 1). Right now I'm "feeding" it with 5V 2.5A charger.
How can I make it un-tethered? What should I ...
1
vote
0
answers
145
views
increase current draw from serial port of icreate 2
This is from the icreate 2's document:
"Pins 1 and 2 (Vpwr) are connected to the Roomba battery through a 200 mA PTC resettable fuse. The continuous draw from these two pins together should not exceed ...