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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Powering a pico with a lipo battery charged by a bike dynamo
So, I am building a gps tracker build on raspberry pico and a neo 6m gps module.
Now, I want to power this project with a lithium battery that can offer some autonomy.
I was thinking of using a , ...
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Trying to make a small games device with Raspberry Pi Zero, help with battery?
I'm trying to make a small retropie emulator with a Raspberry Pi Zero. I would preferable like to make it as small as possible. I am thinking of using this premade HAT for the Pi, as I am not very ...
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Raspberry pi pico W - code don't run when battery powered
I've a Raspberry pi pico W and I the following code works with Thonny IDE but not when battery powered. The pico work with my battery because a simple code which turn on and off the pico led works ...
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Low power warning when using pi with touchscreen
I’m using a raspberry pi 3B with this DSI touch screen from waveshare.
As a power source I’m using this battery hat, which according to the documents should provide 5V. The battery is also fully ...
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Powering Raspberry Pi 3B+ with Multiple Attachments: Recommendations for Portability
Ok so I'll try and keep this short and sweet. Basically, I have all these attachments for my Raspberry Pi 3B+
Raspberry Pi 7" Touchscreen
Case for Touchscreen w/ Cooling Fan
Raspberry Pi Camera ...
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How to charge the PiJuice module using 12V solar panel?
I'm using the PiJuice to power a Raspberry Pi HQ camera project that should be working for 17h a day in the field. I'm powering the PiJuice Zero using the 12000mAh battery from PiJuice from the J2 ...
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Is it possible (and wise) to use RPi Pico W to control an atomiser which has 5V operating voltage?
I’m working on a project which uses Grove Water Atomiser which has 5V operating voltage. I’ve used it with Arduino nano and it has 3 pins: Vcc (5V), Gnd and a control pin which receives the signal ...
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How to connect SD card and battery to Pico?
I have been looking into components I need for a MicroPython project. I needs to be battery powered and be able to read/write to a removable SD card.
For this, I have discovered SD breakout boards. ...
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LiPo Battery HAT behavior
I was reading the description for LiPo Battery HAT for Raspberry Pi and it at best seems very unclear to me:
This is not a UPS! The Raspberry Pi will restart when you connect it to the Pi.
What does ...
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Powering Pi from solar for monitoring (intermittent monitoring Ok)
I am looking to setup a remote Raspberry Pi to monitor water levels in a tank. There is no power supply but Wi-Fi should be ok. 1 reading a day would probably be fine but we could maybe do it every ...
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How much powerful solar battery do I need to power the Raspberry Pi 4B at load and charge batteries to enough energy amount to work at night? [closed]
I need Raspberry Pi that will work autonomously long time. I think about solar panel what will power Pi at day and charge batteries for the night work till the next sunrise.
So, how much powerful ...
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How to connect external battery to RPi?
I have a 3S battery controller module with batteries. It has output pins VCC and GND to which I need to connect Raspberry Pi. How to properly connect this module to Raspberry Pi to keep the USB port ...
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Reasons the Pico W doesn't work when powered by new CR2032 battery?
Currently connected to GPIO Pins as per guide/datasheet and it's not powering up.
Meanwhile I've got another same unit with the same simple setup/circuit except it's powered by 2 AA batteries and it's ...
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Help on placing a LiPo in casing
I'm planning on building a portable Pico Prototyping box using a Pimoroni Pico LiPo and a LiPo battery. My question is if you put all of the parts in a case, is electrical shielding needed between the ...
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Raspberry Pi 4 configuration for use with battery
I need to use Raspberry with a battery pack the problem is that in normal configuration Raspberry expect a very stable and costant power supply and even a small change will cause a lot of warnings in ...
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Battery Information on Raspberry Pi
I am currently using PiSugar 2 Pro for my Raspberry Pi 3B+. While I know that PiSugar has its own server where you can check on battery level, I was looking for a more direct integration with the OS, ...
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Raspberry Pi 4 wifi intermittent latency drop
I'm running Ubuntu Server 20.04 headless on a Raspberry Pi 3 and 4. SSH connection is through a wireless router with only my laptop and the Pi connected. Pinging the Pi (192.168.0.215) shows the ...
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can I use a 12v car battery to connect to a L298N h-bridge to control two 12v dc motor [closed]
I am new to the raspberry pi world and electronic in general. so I am wondering if it is safe to hook up 20 AWG wires to a car battery and have those wires going into a L298N h-bridge to power 2 ...
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Get Measurements from Battery/Solar Setup
I'm planning a setup with an rpi3b+ and the pijuice hat (battery) and pijuice solar module. It is key to my project that I can access the following data digitally i.e. in the pi:
current power ...
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How to change the color of the desktop background programmatically?
A similar question, (How do I change the Desktop wallpaper from the cli), was asked previously where the person wanted to know how to change the wallpaper.
Going through the answers, I discovered that ...
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Problems powering a 3B+ with 7” touchscreen
I’m trying to create a battery-powered RPi 3B+ system and am running into issues almost immediately due to the Pi’s power requirements. I’m testing using a 5V 3A wall power supply which is running ...
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How to turn on a remote battery-operated Raspberry Pi (accessible by Wifi or SSH)?
I am running a cluster of Pi3 and Pi4. Each node runs on a battery and is powered by a solar panel, in a remote area like a farm with no grid. Pis are connected to each other by WiFi in a local ...
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How to measure voltage and current of a battery with Raspberry Pi? [duplicate]
Im creating a battery,and I want to measure the current and voltage?Which possible circuits could help me?
To clarify my question,I doing a DIY battery and afer that I want to measure the results.So I ...
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Powering a Pi 4 with a small power bank [duplicate]
For my project SamplerBox, I had done many extensive tests in the past and it was possible to successfully power a RPi 2 for multiple hours with such a small 2600mAh power bank (18650-battery inside), ...
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Retropie Battery Powered Handheld
I am planning to build a Retropie Handheld and want to use:
2 of these in series: https://www.jaycar.com.au/14500-rechargeable-li-ion-battery-800mah-3-7v-nipple/p/SB2300
paired with one of these: ...
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cheapest UPS for pi4 [closed]
I am looking for a better/cheaper way to do power-backup in case of blackouts.
Right now it is a PI4 I need to power, and it is powered by a 12V AGM battery (12Ah)
PI4 <-> USB-C cable <-> ...
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Why DHCP logs are missing in dnsmasq-Raspberry Pi-Unifi-esp8266?
I have a network made of Rpi, ubiquities, and esp8266. Raspberry pi is configured as the eth0 to eth1 router. Eth1 is made using a USB to ethernet converter. The Main ubiquiti is connected to the eth1 ...
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Raspberry Pi 4b- powerbank measure
I want to power my Raspberry Pi 4b with a powerbank. I know that I need a 3A powerbank.
The question is: How can I measure it? I want to get a percentage of it (which will be displayed over a website)....
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Powering aAdafruit PiTFT 2.4" HAT Mini Kit - 320x240 TFT Touchscreen. via a power bank. (Needs a bit more power)
I've been having problems getting this set up and now I do believe I know why.
I got an Anker Power Bank (26,800mah) Not the Power Core +
Input: 5V ⎓ 4A (5V ⎓ 2A Max Per Port)
Output: 5V ⎓ 6A (5V ⎓ 3A ...
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Battery supplied e-ink photo frame with scheduled wakeup time
I am building a raspberrypi zero eink photoframe. My aim is to create a photo frame that I would be able to put on the wall without cables hanging around, battery powered. In order to achieve this I ...
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Turning switch on lowers voltage from 5.2v to 3.0v
This is probably a simple question, but I’ve researched a lot and haven’t been able to figure out how to fix the problem.
Basically, I have a Raspberry Pi and a 5-inch LCD screen wired to a toggle ...
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RaspberryPi Zero W with battery life for 7 days [closed]
I know of different projects that are using micro processors - dont know if they are Raspberry models however - but they have bluetooth connection, wifi module and a camera attached. And they are re-...
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Reduce power consumption Raspberry PI 4
I plan to use a Raspberry PI 4b powered by battery and hopefully to monitor a remote chicken farm and need it to last a week or two on a car battery.
If powerconsumption is 1A then with a 60 AH ...
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Battery Management System (BMS) [closed]
I'm making a UAV using raspberry pi and I understand that it does not require a complicated BMS since it won't have complicated circuitry. The only problem I'm facing right now is that of the BMS. I ...
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Running a Raspberry Pi from a car battery using a Witty Pi 3 (sanity check)
I'm not totally certain that I understand what a Witty Pi 3 Rev2 does so this is by way of a sanity check that I have got it right.
The documentation says "Thanks to the on-board DC/DC converter (...
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how to properly make a charging circuit -- 2s 7.4V to 5V 2A
I have 2 18650 li-ion cells, each at 3.7v
and this bay with this white connector
I saw on youtube that depending on the length of the cell, we can know whether they have integrated "invisible&...
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how to power a raspberry pi zero w, with a 2x18650 bay, through GPIO
I'd like to wire this bay to the GPIOs of a rpi zero w.
The bay welcomes 2S 2x18,650.
On each cell is written "9800mAh TR 18650 3.7v Li-ion".
My requirements are :
One micro-USB port must ...
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Using Relays to Power off then Cut power to Pi Zero
I have a raspberry pi zero that I am running off a battery for remote logging reasons.
There is a low battery shut off module I have connected to the battery in case the battery gets below a certain ...
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24/7 Solar panel + battery to power a Raspberry Pi Zero W [closed]
I need to create a system to have a remote bees monitoring.
In this place I haven't the electrical energy. Basically I need to monitor some sensors (5 temperature and humidity sensors).
I'm not expert ...
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battery for B+ model?
Could one of these rechargeable battery packs work for a rasp pi B+? Klientool and BestBuy are some options I can packup locally, plus I like Klientools. Any tips greatly appreciated...
Klientools
...
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Can AA batteries have voltage or current spikes?
I'm a noob in raspberry pi and in engineering in general. I had an idea for a project but it requires it to be somewhat portable so I need to power the raspberry somehow. I read this article Where it ...
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Is there a reason my GPIO pins have a low voltage?
I'm currently using a Raspberry Pi Zero W running Pi OS Lite. I'm using the following external hats with it:
PiSugar 2 Battery 1000mAh link
Serial PiZero addon link
PiOLED link
Here's my situation: ...
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Is there any battery for Rpi that can be charged and used at the same time? [closed]
I'm making a security camera using Raspberry Pi 3B+ . I want suitable battery to power my rpi. Is there any suitable battery pack that can power Rpi at the same time recharge the battery? I also found ...
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Shutdown on low power with INA219 UPS HAT
I have a Uninterruptible Power Supply HAT For Raspberry Pi (bought here https://www.cytron.io/p-uninterruptible-power-supply-hat-for-raspberry-pi) and there is an INA219 chip on it.
I'm using a python ...
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Audio Amp + battery = shutdown on high volume
I'm using the Raspberry Pi Zero W with a DAC, the MiniAmp from HifiBerry (2x3W) , and a pair of speaker 4Ohms 3W for making a connected speaker device.
Everything is working great until, in order to ...
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Raspberry pi 0w is making a humming/buzzing sound?
I have a problem with my raspberry pi 0w. The SOC is making a buzzing sound when connected to a li-po.
The li-po is 3.7 volts and 1200mah and it is connected to an Adafruit 500c (https://www.adafruit....
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Keep running Pi while charging batteries [closed]
I would like to build a simple automatic irrigation system with Pi zero, the thing is that I don't have access to electricity outside.
I thought to connect 5v solar panel + 3\4 chargeable batteries.
...
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Battery Solution for Raspberry Pi 3b
I am working on a project for which I need to attach the four raspberry pi boards on the ceiling of the room (one at each corner).
The script that will run constantly scans the BD Address and the RSSI ...
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5
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Voltage monitoring of battery pack (i.e. before voltage regulation)
I am looking to use four 18650 batteries and a step-down DC-DC converter to power my Raspberry Pi 4. The negative terminal of the DC-DC converter is common for the input and the output.
I would like a ...
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2
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powering a pi 3B using two 18650 batteries in series. what circuits do I need? [closed]
I have an raspberry pi 3B I want to use as the brains for a robot car. In my initial setup I used a power bank for the Pi and a powered the motors using a seperate pack of two 18650 batteries in ...
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