Questions tagged [battery]
An electric battery is a device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy.
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Can I charge a 12 Volt 2 Ampere UPS with a 9 Volt 0.6 Ampere Adapter?
I want to power up an Arduino toy car with this UPS but I am not sure if I can charge this UPS with a 9 Volt 0.6 Ampere power adapter.
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How to recover low voltage LiPo battery?
I am using a 3-cell LiPo battery for a quadcopter. My charger is the Prophet Sport Mini Multichemistry charger. It has built-in undervoltage protection, meaning it will not charge a LiPo or LiFe ...
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Batteries lose functionality
In Webots: I want my little robot drive to a fully charged charger (green pointlight and cylinder) and drain its energy. While the battery loses energy it should change its color.
It works as long as ...
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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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Power supply/charger for Kobuki base
I have a Kobuki base (Turtlebot 2) but my charger broke.
I am looking to replace the charger but I am unsure about the type of barrel connector used to connect to the Kobuki. I was only able to find ...
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Alternative for a 18650 2200mAh 3.7V Li-on battery
I'm building my first robotic car (Elegoo Smartbot Car Kit) but I'm struggling with which batteries to buy.
The kit itself doesn't seem to say too much other than they're 18650 LiPo batteries which I'...
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Connect LiPo battery to Arduino Motor Driver Shield for RC Boat
Thanks for taking the time reading this question! It is greatly appreciated.
What are we doing
We (two complete noobs) are building a remote controlled boat from scratch using Arduino compatible ...
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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 control ESC from Arduino?
I have an Arduino Uno, 9 volt battery, ESC and a brushless outrunner motor. When connecting the motor straight to the battery the motor rotates once which is good but when using my Arduino code to ...
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Power pack and servo driver for robotic arm?
I have a robotic arm that uses about eight 7.4 volt volt high torque servos. (https://www.servocity.com/2000-series-dual-mode-servo-25-2/)
I need to know what Kind of battery system I can use to power ...
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AUV LiPo battery
I'm making an AUV that requires 15-20 minutes of operating time. I'm using 6 of these motors (Blue Robotics T100 Thrusters with specs at max are 135 watts and 12.5 amp ) I don't know how to calculate ...
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how to get an 8 hour autonomy for an underwater robot?
CONTEXT: I'm working on a project consisting of making an underwater robot "fish" for an aquarium. It is mandatory to get at least 8 hours of autonomy. I'm responsible of the electrical part ...
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DC motors are stalling at low voltage (L298N controller)
I'm building a small tracked robot. Currently it's just a Raspberry Pi, two motors and an L298N controller.
The problem I'm facing is that the motors are stalling at low voltages (which is what I ...
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How to calculate the maximum charge of the battery?
How to calculate the maximum charge of the battery that it can give from a fully charged state to a fully discharged one. I have been trying to solve this problem for 2 months. The drone itself is not....
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Can I use 3 blades instead of 2 blades with the same pitch and dia to increase the thrust of my motor?
Can I use 3 blades instead of 2 blades with the same pitch and dia to increase the thrust of my motor? Will it burn my motor? or it will damage my ESC? Some motors are having high torque but low rpm, ...
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How should i select motor and blades for my Hexacopter?
I'm designing a fluid sprayer Drone (HEXACOPTER) for Agriculture as my college final year project. The capacity of the fluid spraying unit including fluid & Sprayer around 2kg. I don't know how to ...
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What Battery Voltage to use?
Im currently designing a small robot that uses 2 of these 12v motors, which are manage by the L298N motor controller board, and is being controlled overall by an arduino. Now I have come across an ...
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How to find the minimum battery capacity C needed for the drone to reach the landing point?
I calculated the height object height, Distance to the base of the object, Drone weight, maximum and minimum battery voltage, resistance force and power ($P$).
The drone is flying in steady state, ...
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How to calculate battery capacity for my robot system
I am part of a team and we build a robot. I know how many watts all the subsystems of the robot will need and I also know how much time we want to operate it. Our system will need 323.344 Watt and we ...
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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 ...
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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 - ...
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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 ...
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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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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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18 MG996R servo motors control and power
I am currently working an a personal hexapod robot project. I am building it using 18 MG996R 4.8 to 7.2 V servo motors. I would like to use a Raspberry Pi 3 B+ to control it. I purchased a 7.4&...
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Ultra Low Power servo and controller for long usage..? [closed]
So I have an idea which would require the following:
1-4 servos
1 microcontroller
some way of communicating with it via smartphone (bluetooth or wifi)
Ability to run for 14 days on a small power ...
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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 ...
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Compatibility of my quadcopter build
I am building my first quadcopter and have multiple questions. I am using a Crius MWC Multiwii SE 2.6 flight controller which will get input from a Raspberry Pi Zero.
I have this 4in1 ESC and this ...
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how to know if the LIPO battery I have is compatible with the motors and motor driver I have
I am building a robot and I have a concern. Will it properly connect a 11.1V 30C 4500mAh to this motor driver :
https://www.pololu.com/product/708
thanks in advance ..
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AUV Lipo Battery capacity
I'm making an AUV that requires 15-20 minutes of operating time. I'm using 6 of these motors (Blue Robotics T200 Thrusters) for propulsion; I'm looking for 6S lipo batteries (22.2V) but i don't know ...
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How could I make an all electric model rocket? [closed]
What I've been noodling on is how to convert that energy into thrust to create an all electric model rocket. I got as far as realizing that dumping electricity from a battery into a capacitor might ...
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Intel Euclid battery state
Hello community,
I'm currently evaluating the Intel Euclid platform and I'm trying to find a solution to get battery state.
Any ideas or suggestions
Thanks in advance
Cheers
Chrimo
Originally posted ...
ChriMo
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About Battery Management Systems
Hi all,
for my robots I'm trying to find the best solution to manage power and batteries.
For my robots I use 4S and 6S LiPo.
What I'm searching for is a good Smart BMS solution to charge/control ...
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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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DC gearmotor stall current and battery capacity
I'm working on a self-balancing robot project and am in the process of motor sizing. I've read that with self-balancing robots the motors need to switch direction quickly, which can cause them to ...
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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 ...
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using Li-Ion batteries in parallel
Looking at the Li-Ion battery packs from Servocity, part #605056, 12V, 6000maH battery pack. Any reason I shouldn't put these in parallel with each other? Any idea on what these might weigh? I've got ...
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Parallel connection of batteries with equal voltage but different Ah?
I bought some batteries for a project with the recommended voltage but too weak Ah.
The batteries are to be connected in parallel. I can't currently afford to upgrade both batteries, but I was ...
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Proper cable to connect 12 V, DC 6 Ah batteries to Sabertooth Motor Controller for Lawnbot?
I am building a (fork of) the Lawnbot-400 robot found on Instructables.com and in the book Arduino Robotics.
The author, while brilliant, tends to gloss over and omit details, one of those being how ...
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Going around Voltage Limitation on Battery for Steppers?
Am building a device that will use two stepper motors and a servo. One of the main requirements, is that the on-board battery cannot exceed 9.6 volts.
The stepper motors have not been picked yet, and ...
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Powering a 6v servo and 12v servo
In my project, there are two types of servos ( 6v and 12v supply needs ).
I need to power with the same battery.
How should I go about it?
Use a 6v battery with a step-up voltage regulator?
How does ...
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How to calculate battery size for servo motors?
I am making a robotic device with the following servo motors.
How do I go about calculating the battery capacity?
It is supposed to run for 10 minutes.
I am bit confused as to use the no-load current ...
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Turtlebot NUC battery state
Hi community,
I'd like to use the turtlebot with a more powerful NUCi5 instead of a poor netbook.
The NUC has no /proc/acpi/battery/BAT1
Is it possible to replace it with simply setting:
export ...
ChriMo
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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 ...
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Irobot Create 2 drawing power from Pi [closed]
I am controlling an IRobot Create 2 with a raspberry pi, which I am powering with one of these:
https://www.adafruit.com/product/1566
(I know, I know, I should have just gotten power from the ...
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Qi Battery Pack [closed]
I am trying to build a bot that is "always on". I will be using a qi platform and am looking for a battery that charges through Qi. I've found several batteries that can charge your phone through Qi, ...
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Guidelines for a "stopwatch based" craft [closed]
I'm a swimmer and would like to create a small object that would help me folow my trainning plannification.
In other words I want to create a custum stopwatch, with 5 colored led that will be on or ...
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battery question for DW558 Explorer (small quadrocopter)
I recently bought a DW558 Quadrocopter (http://www.gearbest.com/rc-quadcopters/pp_110531.html).
After few minutes, the battery is dead. Which is understandable since the battery is so tiny. It is a 3....
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Battery damaged?
Could you please see the attached battery images and tell me if it is safe to continue using this battery or should I discard it?
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What does internal sparking in a motor mean?
My Arduino + Raspberry Pi robot was working fine in the morning. I tested it, it ran perfectly, and then I switched it off.
Now in the evening when I'm trying to run it again, with the same ...
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