Questions tagged [battery]
An electric battery is a device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy.
122
questions
0
votes
0
answers
27
views
Rotot hardware - batteries considerations
[please dont downvote, just let me know what infos are missing]
I built my second robot and I always end up with the same issue ...
The CPU board always resets when a high rush of current is demanded ...
- 21
0
votes
0
answers
24
views
Daly BMS connection error Ubuntu
I am trying to use an 8s daly BMS for my mobile robot and I am connecting it using the UART to USB converter provided by them. The connection works well on Windows, but when I connect the BMS to my ...
- 516
0
votes
1
answer
16
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 ...
- 429
0
votes
1
answer
23
views
My obstacle avoiding car doesn't work with dry cells
Ok, I am not a genius in such projects but, it is the first project I am doing in robotics.
The problem is that the wheels of the car doesn't continuously tend to rotate when I power the motor driver ...
- 693
1
vote
1
answer
34
views
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.
- 1,437
1
vote
2
answers
97
views
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 ...
0
votes
1
answer
54
views
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 ...
- 1,437
1
vote
0
answers
60
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, ...
2
votes
3
answers
417
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 - ...
- 121
0
votes
1
answer
4
views
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 ...
0
votes
1
answer
227
views
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 ...
CommunityBot
- 1
1
vote
1
answer
34
views
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 ...
CommunityBot
- 1
0
votes
1
answer
219
views
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'...
- 1,271
1
vote
1
answer
88
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
- 1,271
0
votes
1
answer
300
views
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 ...
- 103
0
votes
0
answers
44
views
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 ...
- 127
2
votes
3
answers
87
views
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 ...
- 169
1
vote
2
answers
432
views
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....
CommunityBot
- 1
1
vote
1
answer
199
views
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 ...
- 16k
0
votes
1
answer
28
views
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, ...
- 164
1
vote
1
answer
41
views
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 ...
- 164
3
votes
1
answer
64
views
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 ...
- 282
3
votes
3
answers
266
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 ...
- 91
0
votes
0
answers
31
views
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, ...
- 169
2
votes
1
answer
2k
views
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 ...
- 1,437
2
votes
2
answers
823
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 ...
- 153
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
- 153
3
votes
3
answers
514
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 ...
- 31
2
votes
2
answers
196
views
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 ...
- 107
2
votes
2
answers
5k
views
Charging multiple LiFePO4 batteries at the same time?
I'm looking to use 4 of these 3.2V LiFePO4 batteries. I intend to have 2 pairs of 2 in series in parallel. So two 6.4V battery packs in parallel. Because my setup will be run off of this, it will also ...
CommunityBot
- 1
6
votes
1
answer
521
views
Vex motors and tank treads drained 9-volt battery more quickly than expected
I've got a couple Vex 269 Motors hooked up to an Arduino Duemilanove. These motors run a some Vex Tank Treads. I powered the whole setup with an off-brand 9-volt battery. Everything seems to run great,...
- 11k
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 ...
- 66
1
vote
1
answer
180
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 ...
- 671
8
votes
4
answers
4k
views
How to know when a Li-Po battery is discharged?
I'm building a quadcopter and I've seen that a Li-Po battery must not be entirely discharged, otherwise it could damage it.
How do you know when you have to stop your quadcopter or robot in order to ...
- 297
2
votes
1
answer
2k
views
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&...
CommunityBot
- 1
1
vote
1
answer
789
views
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 ...
- 111
2
votes
1
answer
395
views
Powering a multirotor with dedicated batteries for each motor
I'm currently thinking of extending the battery life of my quad by powering each motor and ESC individually. I will be using 1 dedicated battery for each motor, and 1 dedicated battery for the flight ...
- 1
0
votes
2
answers
79
views
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 ...
- 450
9
votes
4
answers
14k
views
How can one determine whether a LiPo battery is going bad?
In our lab we use LiPo batteries to power our quadrotors. Lately we have been experiencing stability issues when using certain batteries. The batteries seem to charge and balance normally and our ...
- 1,402
3
votes
2
answers
2k
views
Mechanical robustness/shock resistance LiPo batteries
How mechanically robust are LiPo batteries? How much force or acceleration can they maximally withstand before failure? What is their (mechanical) shock resistance?
For some electrical components ...
2
votes
1
answer
72
views
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 ..
- 217
1
vote
1
answer
223
views
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 ...
2
votes
0
answers
113
views
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 ...
0
votes
1
answer
1
view
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
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 ...
CommunityBot
- 1
0
votes
1
answer
5
views
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 ...
0
votes
1
answer
567
views
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 ...
- 76
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 ...
- 16k
1
vote
2
answers
174
views
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 ...
CommunityBot
- 1
2
votes
2
answers
406
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
CommunityBot
- 1