Questions tagged [battery-monitor]
The battery-monitor tag has no usage guidance.
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Battery monitoring for voltage current and capacity
I have a 12V 7Ah and 12V 18Ah lithium-ion battery at home. I want to be able to monitor the battery's voltage, current, and capacity.
I came across this IC from TI, BQ26621, however I then noticed ...
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ADS1115 ADC + ESP32 4S battery monitor
I have a project to monitor a 4S battery pack with an ESP32 using an ADS1115 ADC. I have previously tested the circuit witch has been corrected by someone on Stack Exchange. The circuit:
I have 2 ...
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Charging IC for a 1S or 3S Li-ion battery
I have quite specific problem; I'm designing a PCB for my robot, that is used the main board for controlling motors, gathering data from sensors, etc.
The whole PCB will be designed as a Raspberry Pi ...
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How to monitor capacity of 18V Li-Ion battery pack? [duplicate]
I have been learning more about how battery packs work and are made. I have been playing around with this one: https://www.batteryspace.com/li-ion-18650-battery-18v-2900-mah-52wh-7a-rate-5s-s-...
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Problems trying to monitor two 3S Li-ion batteries from an Arduino, while powering that Arduino
So what I'm doing might be actually a little haywire, but here goes:
I'm using an Arduino to power a series of relays that control some 24 volt valves. The power source is two Milwaukee M12 batteries ...
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Use and monitor a LiFePO4 battery with a microcontroller
I am planning to build a small robot using a Raspberry Pi Pico microcontroller and DC motors. I am considering to use a single cell LiFePO4 battery.
After some research, it looks like many use a ...
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RTC UPS power cycle on low battery
My RTC UPS switches on and off the whole time when the battery is low.
I think it could be with the voltage monitor circuit as with the led indicator on the ups it shows the ups's battery voltage is ...
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Constant Current/Constant Voltage Cycling of Li-Ion Battery w/ Arduino
I would like to build a basic cycling controller for charging and discharging small Li-ion coin cells, and plot the voltage curve.
As recommended for LiFePO4, there is a Constant Current Charge and ...
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Efficient Voltage Divider Battery Monitoring for 42V system
I'm designing a system that is powered from a 10S2P LiPo battery pack and I was looking for an efficient way to monitor the battery level.
My microcontroller is 5V logic level, and I understand I can ...
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Is there an alternative economical low-voltage reference to a single cell?
This is a simple Li-ion battery monitor circuit I designed around a low-voltage LMV331 comparator, which can operate down to about 2.7 V.
I think it's best for a comparator to work with median ...