Questions tagged [battery]
In electricity, a battery is a device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy.
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2 Raspberry Pis 1 Battery
I'm working on a project, here's the deal...
I have 2 raspberry pis (3B, and a zero w) and 1 battery (3.7V LiIon 1200mAh).
I bought a PowerBoost 1000 (A "DC/DC boost converter module can be powered by ...
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Running/charging batteries on the RPi3
I have a standalone RPi3 inside a case where I've designed room for a couple servos and a battery pack of some kind. The mini USB port is accessible thru the case wall, and I could also make the 4 ...
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Power Raspberry Pi using two 3.7v Lipo batteries
I was having trouble while booting up my Raspberry Pi powered by LiPo batteries.
Ignore the components inside the blue circle
I am just connecting the batteries, the darlington transistor and the ...
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Why does my Pi 3 Model B with HAT DAC run fine on a 4V Lithium battery?
Everything I have read about the Raspberry Pi 3, model B says that it will not run reliably on anything below 4.6vdc. I have a Pi 3 and I am running it at around 4V DC with a single 18650 lithium ...
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Choose a boot partition based on rtc contents
We ship units which have an expected life in the field of ten to twenty years. They include an RTC with a replaceable coin cell. Most of the time the machines will be powered on, so the RTC battery is ...
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Raspberry Pi Backup Battery Hat V1.2 battery level
My question is about Raspberry Pi Backup Battery Hat V1.2 specification.
Is it possible to see somehow level of battery discharging (% of battery charge) by using the operation linux system like ...
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Will my Pi running on a battery be damaged as the battery dies?
So I know that providing a Pi with too little power can potentially cause physical damage to the circuitry (brownout). I don't 100% understand how or why this happens.
I know that it seems a lot of ...
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Smallest battery that can run the raspberry pi zero w for a short amount of time
I have a raspberry pi zero w. What is the smallest (in terms of weight) that can run the pi? I am not concerned about how long it runs for; 5 mins would be adequate. What about with a camera attached? ...
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Lipo battery hat or attachment which supports seamless USB recharging
I just want to add UPS functionality to some of my flock of raspberry pis, and with an emphasis on portability.
One of the ways to get this is with certain USB battery banks. I have one here that is ...
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How to feed GPIO readings into indicator-power?
Debian has a package called indicator-power which notebooks use to show the current power.
I have a working voltage divider and ADC wired up to my external power source, and I have correct reading ...
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Raspberry Pi wild boar reppelent [closed]
In my father's farm, he may face a problem with wild boars. There are currently too many of them around. They already came to my father's farm but they did not destroy anything (there's not much to ...
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Battery to power Raspberry Pi Zero and two generic motors?
I plan to build simple RC car/robot with "2WD Two Wheel Drive Round Double Deck Smart Robot Car Chassis Kit For Arduino". I couldnt find the exact one I have, but I assume they are all pretty much ...
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RAVPower USB Battery Pack as Power Source [duplicate]
I know there have been several questions about USB battery packs posted throughout Raspberry Pi forums across the internet and I have read as many as I could find but I still feel like I don't have a ...
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DIY uninterruptable power supply (UPS) for Raspberry Pi Zero
I have several pi-zero boards and I utilize them to monitor environmental conditions (such as humidity, temperature and intrusion) of each room in home.
For continuous operation, I want to eliminate ...
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How does a Raspberry Pi 3 react with low voltage as batteries die? [duplicate]
How does the Raspberry pi react as voltage drops from batteries die? Does it eventually automatically halt or do I need to worry about unpredictable side effects from running the batteries dead?
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Battery Charging / Management Board Recommendations
I am trying to build a portable device using the Pi Zero W and some 5V sensors. For the power supply I thought about a power bank meant for charging phones. The problem is that to power the device off,...
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Running my Raspberry Pi and 7" screen off a battery
What I have:
Raspberry Pi 3
Raspberry Pi 7” Touchscreen Display
Raspberry Pi 7" Touchscreen Display Case
I would like to make this thing portable and would like to add a rechargeable battery.
...
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Mobile Raspberry Pi Zero Camera
I'm creating a project using the Raspberry Pi Zero W and a Pi Cam to take pictures remotely.
Think deer camera in the woods. I need this to be battery powered and last at least a week.
Is this ...
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Battery Power supply for Pi-3, LCD and transceiver
I am using a raspberry pi 3 model B (5V/2A), a sainsmart 7" lcd display (12V/2.5A), and a ESP8266 2.4Ghz transceiver (3.3V) for a project. It needs to be mobile, so what kind of power supply ...
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Rechargeable battery for PI 3 and LCD
Currently working with a PI 3 and a 10 inch LCD, but as of right now I have 2 power cable, one for the PI and one for the LCD.
I'm looking for a way to power the PI and the LCD with a rechargeable ...
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Powering 2 servos with 5v output of L298N dual motor driver
I am using L298n Dual Motor Controller to control two dc motors for my robot. But I want it to power the servos too. I have created this circuit design.
can I power the SG90 Servo with L298n? Is ...
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Battery monitor
I would like to build up a 'smart' battery for my RaspberryPi 3 and integrate it trough the OS.
The electronics part is the easy task in this game. The complicate task (for me) is to find out how to ...
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How can I display the charge from a battery on my Pi? [closed]
I have a robot that uses a Raspberry Pi 3 Model B and a 12 volt sealed lead acid battery. The battery powers other things (motors, etc), and the Pi receives a regulated current.
How can I display the ...
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How can I connect this circuit (pictured below) to my raspberry pi without using the gpio headers? [closed]
I was wondering if anyone could tell me how to connect this circuit to my raspberry pi without using the gpio headers because I am trying to make a portable tablet with the raspberry pi 2 and the ...
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Battery power supply and safe shutdown on power outage
I'm completely new with Raspberry Pi. In fact I'm just planning to buy a Raspberry Pi 3 Model B, but I don't have anyone yet. I want it to be running 24/7 so I'm worried about power outages. I've been ...
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Battery For Raspberry Pi 3
Does anyone know of a recommended battery or power bank for the Raspberry Pi 3? I would like to be able to bring my Pi 3 along with me. I know that the Pi 3 gobbles power very fast but I want ...
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Raspberry Pi Zero Battery Life With 4400mAh battery
Like many other Raspberry Pi Zero users out there, I have decided to make a portable retro gaming handheld. One of the larger concerns for me when it comes to this is battery life. The Zero has very ...
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Making a battery pack UPS with GPIO signal
I'd loke to build a UPS for in-car use. I am powering my pi with a 12v to 5v DC-DC converter. I'd like to use a phone battery pack as the ones sold at dollar stores with a relay/transistor that sends ...
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Is halted a viable state for a battery powered pi zero long-term?
I'm building a battery powered device with a pi zero. The battery is a 3.7v LiPo w/ 2000mAh.
I want to be able to safely shutdown and restart the pi using a single switch or button. (preferably ...
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New to electronics in general, are these two LiPo batteries identical?
I just received my first raspberry pi zero as a birthday present and thought the PiGrrl Zero by Adafruit would be a fun first project. I've got the kit, but it didn't come with the LiPo battery. I ...
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Automatically turn on if battery is full.
I want to power a RPi off of a battery and need it to autonomously turn on once its battery is charged. How can this be achieved?
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Portable power supply for RPI3 and official touchscreen requirements
I have recently bought and assembled a Raspberry PI 3, official touchscreen and case / enclosure.
I want to be able to use it whilst out and about with a rechargeable battery and if possible allow ...
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Samsung 3.8 v battery + adafruit usb boost
I have a 3.8v / 3100mAh battery from a galaxy note 3. Can I use this along with https://makersify.com/products/adafruit-powerboost-500-charger-rechargeable-5v-lipo-usb-boost-500ma?
The powerboost ...
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How can I wire a separate battery pack and control it with the 40-pin GPIO?
I am building a high altitude balloon and I need another way of bringing it down besides the balloon popping. I would like to regulate a battery pack with the GPIO on the Pi in order to heat a ...
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I can't power my RPi 3b with AA batteries
I'm trying to power my Pi 3 with 8x AA batteries wired to a 5V voltage regulator. I measured a voltage of 5.4V. I'm using the IO pins instead of the microUSB port.
The Pi powers on but doesn't work. ...
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Powering the PI 3 Model B with a battery pack
I've recently obtained a Pi 3 Model B, with the official 7 inch touchscreen case, as well as the allied electronics portable case and I am looking at options to provide power to it. Currently, from ...
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Portable solar-powered .gif frame
Here's a project challenge: looking to create a portable rpi-powered .gif frame similar to this, except one that wouldn't require internet connection and would just store the .gif collection on its SD ...
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Measure RPi3 power consumption without external hardware
I power my RPi3 using a power bank for smartphones, and I'd like to check how much power the Pi draws from it while my project is running.
I don't have any special equipment for power measurement. Is ...
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Using external cellphone backup battery as "UPS" for Pi?
I'm currently experimenting using an external power supply (for cellphones) as a type of "UPS" for my Pi. It seems to work quite well. Can anyone think of a reason why this isn't a good idea?
I got ...
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Can This UPS(UNINTERRUPTIBLE POWER SUPPLY) Run a Raspberry Pi for 24hours?
I am setting up an experiment that will need to run for 15 days straight and I am using a Raspberry Pi as a data logger. In my place power outages occurs from time to time. I am searching for cheap ...
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Automatic shutdown of Pi Zero on low battery
I am trying to build a battery powered Pi Zero, using a LiPo battery and the Adafruit Powerboost 500. I would like to be able to use the low battery output (LBO) on the powerboost to tell the Pi to ...
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How to check how much battery is left on my Raspberry Pi in the terminal?
Is it possible to check how much power is left on the battery powering my Raspberry Pi zero using the terminal?
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PI2B safe shutdown procedure on low battery and auto start
I have a RPI2B controlling a mobile CCTV setup. System runs on 12V (solar panels + batteries) with a low voltage disconnect (LVD) and PI powered by a buck step-down converter. RPI drives a relay via ...
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cansend to a CANBus device doesnt work
I am trying to control an Elcon battery charger (http://www.elconchargers.com/catalog/item/7344653/7638003.htm ) which outputs a DC voltage and current and can be set through a CANBus adapter.
I ...
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Are there any battery packs than can act as a UPS? [closed]
I have an external battery pack, for my phone - it charges via USB. I was thinking I could use it to power my new Pi Zero - if the power goes out - but I realised the one I have cannot be charged and ...
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How to measure battery voltage?
I'm using a battery as my power supply. Is there any command or library to check the battery voltage? I want to monitor the battery discharge.
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How many AA batteries do I need to power a raspberry pi zero and for how long does it last? [duplicate]
Since the raspberry pi zero takes less power to power up. How many AA batteries do I need to power it up to play a movie in a loop? And how long would this last?
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Can I use a DC-DC step up module to power a Raspberry Pi from 2AA batteries?
I understand that I can use 4AA batteries and a step down module to get 5V and power the Pi, however briefly. However, now I'm getting real outrageous and want to trying powering the Pi from just 2AA, ...
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Will this DC step down chip allow me to power Raspberry Pi using AA batteries?
I understand that typical alkaline batteries lose voltage as they die, making them a poor choice for sensitive electronics without proper handling, and that lithium AA batteries are usually slightly ...
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Very small sized battery for RasPi Zero? [closed]
I have an idea for an embedded system with the Pi Zero, but for this I need a very small and light weight (<40g) battery which can power this little thing for about 15 minutes.
I am aware of this ...
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