Questions tagged [power]
In physics, power is the rate of doing work.
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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, ...
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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
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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 ...
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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 ...
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Power switch and common ground on a battle robot
I am constructing a 5.44Kg Hobby-weight battle robot and one of the safety rules is that the robot must have a power switch that turns off power to the motors (and weapon).
The robot has three sub-...
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Battery system with and without mains voltage attached
I'm working on a project where mains voltage will sometimes be disconnected, and the system will have to run on battery for as long as possible before doing a (safe) shutdown. The desired behavior is ...
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Learning about embedded systems [closed]
The last robotics project I worked on involved autonomous outdoor navigation, using a microcontroller for lower-level control and a computer for image processing and decision making. I worked more ...
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Additional Power to DC Motor via Second Power Source
How can I provide more power to a DC motor that is in series behind a receiver circuit hacked out of a cheap RC car without burning up the receiver board? The board runs off two AAs at about 3V. I'm ...
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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 ...
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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 ...
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Servos power supply in Quadruped Robot
I'm facing a problem while building my quadruped robot which is figuring out the efficient power supply needed for the 12 servos. I'm using 12 MG995 tower pro servos powered by 2 lithium batteries 2x3....
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Power Model for humanoids
I am in the process of creating a Power Prediction Model for the Hubo Robot.
The Robot has 38 Degrees of Freedom and has a computer some sensors and motor boards. The motors are powered through Motor ...
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On the ardupilot board, what is the difference between A10 / A11 ground pins and the PWM ground pins?
I'm looking for an electrical explanation of the statement here:
Warning: Do not connect power (red + & black -) from the RC10 (A10) &
RC11 (A11) connectors to the servos, just use the ...
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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, ...
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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 ...
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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 ...
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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 ...
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Sizing high current power supplies for large robots
I'm a researcher in a lab that's starting work on some larger humanoid/quadruped robots as well as a quadcopter. Currently, we have several power supplies that have a max rating of 30V/30A and our ...
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Switching scheme for vector controlled pmac drive
I have 28 pmac motors (3-ph, 230 volt of 0.5 kw, 1.05kw an 1.21kw) in motor control center. Please suggest a time staggered switching scheme in order to avoid tripping due to voltage sag, swell , ...
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What are some generally accepted lift capacity guidelines for multirotors?
e.g. what general multicopter configurations would be generally accepted as recommendations to lift 0.5kg, 1kg, 2kg, 4kg, etc.
Is there any general correlation between number of motors on a similar ...
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How to calculate the power required to drive a fan
I need to specify a fan motor combination and wondered if there are formulas that can work this out? The fan we are using is a crossflow fan:
So I'm assuming the power required to drive it is derived ...
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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 ...
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Linear or Switching Power Supply for a Embedded Project
Power Block Designing noob here.
I have a beaglebone 2x XbeePro(s) and another 500mAh device connected to the board i am building a PCB Around.
I need some advice on weather to use Linear Voltage ...
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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 ...
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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 ...
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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 ...
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Powering my robot with 12V battery which is charged by a gas/petrol generator while the robot is operating?
A have designed a robot to perform tasks in farms. But the problem now is I'm not sure on the best way to supply continuous power to my robot. All the motors are rated at 12V and only Arduino and a ...
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Help with ultrasonic sensors on obstacles avoiding robot
Well, I will start directly in my problem. I'm working on a project and I only have 10 days left.
The idea is simple, a wheeled robot with 3 ultrasonic sensors to avoid obstacles.
I've developed a ...
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beaglebone black power supply for hexapod [duplicate]
I am trying to build a hexapod with camera interfacing using a beaglebone black for college project. I'm not sure what power supply to give so it can power up to bot, having in mind that it should be ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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?
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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 ...
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Wiring necessary to route power from any one of several rechargeable batteries
I'm looking for my robotics project to draw its power from one of 3 rechargeable batteries; basically whichever has the most "juice" in it. From the initial research I've already done, I believe I ...
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How to determine how long a battery will power a robotic circuit for?
Obviously robotic circuits draw different amounts of power/current. So given the same battery, say, a 9V, then connecting it to 2 different circuits will deplete it at two different rates. Robot/...
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Need a Relay Alternative
I have an application that needs a XBee and another module to be turned on and off digitally via a microcontroller.
The Setup is 2 XBee's and an application board is connected to the Microcontroller. ...
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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 ...
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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, ...
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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?
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Arduino Power Adapters
I'm shopping for my first Arduino with a specific goal in mind. I need to attach 3 standard servo motors, an ArduCam Mini 2MP camera, and several LEDs. I'm trying to figure out power requirements. I ...
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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 ...
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