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Questions tagged [lipo]

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1 vote
0 answers
301 views

How to use LiPo powered Arduino Nano BLE when it's charging (with a charging circuit and a boost converter)?

I have a project where Arduino Nano 33 BLE (3.3V operating voltage) is powered by a LiPo battery. The battery is charged using Adafruit's MicroLipo Charger it is then connected to Adafruit's MiniBoost ...
Ivan Novikov's user avatar
1 vote
1 answer
63 views

Can arduino nano drive two circuit

I am building a robot snake with a bunch of servos and ov7670. As I see, ov7670 operate with 3.3v and servos needs 5v. I will use Lipo battery for servos for this I need to connect ground pin of ...
HollyPolly's user avatar
1 vote
1 answer
318 views

How do powering arduino both barrel jack and lipo battery together?

I have arduino mega and Lipo batterry such this and Lipo battery charger 5V USB Boost. I am powering arduino normally from barrel Jack with an 9 Volt adaptor. But if there is power cut occur, I dont ...
mehmet's user avatar
  • 287
0 votes
1 answer
133 views

Relay + Arduino uses too much power for battery to handle. Which solution is best?

You can see in my crumby schematic that I am using a Non-latching relay to turn on a 3A circuit (one of them arc lighters), which is powered by a 25C (supposedly) lipo battery. That same battery also ...
Robert S's user avatar
4 votes
1 answer
1k views

Measure lipo voltage while powering arduino

I have a arduino pro micro 5V that I want to power with a 3.7V lipo. I also have a charging module to charge the lipo. (https://www.banggood.com/nl/TP4056-1A-Lipo-Battery-Charging-Board-Charger-...
Robbe's user avatar
  • 109
1 vote
2 answers
1k views

Read battery voltage from battery which is powering arduino

I have a 5V arduino pro micro. I want to power it with a 3.7V lipo. Should I use a step up module to convert it to 5V? I also want to measure the voltage of the battery. How can I do this? ...
Robbe's user avatar
  • 109
-1 votes
2 answers
187 views

need at least 5 volts but 3.7 lithium polymer battery does not supply enough Voltage

I am building a device using an Arduino Nano, an OLED display and infrared thermometer sensor. I want to make it rechargeable so I am using a 1 cell lipo battery and a tp4056 circuit protection board, ...
Santiago Restrepo Serna's user avatar
0 votes
1 answer
504 views

Charge lipo battery while using

I have a system that uses Arduino and some modules. The system needs 5v dc power with 3A current at maximum(The system needs 3A current for some seconds every 5 minutes and after that the current will ...
user3866081's user avatar
0 votes
2 answers
1k views

Lipo Battery level display using nodemcu

I'm designing a connected collar for pets for a project, for this I am using a nodemcu on ESP8266 powered by a Lipo battery I'm guessing around 1000mAh of capacity is enough for a respectable autonomy ...
SalmaG's user avatar
  • 3
1 vote
1 answer
1k views

Powering a Tiny Arduino Project

I'm trying to build a tiny project. After I program the board, to power the dev board - how can I power it to run the code? Question: I was curious as to how I would be able to power the ATtiny85 ...
3kstc's user avatar
  • 221
0 votes
4 answers
5k views

Calculate the Li-Po Battery Level in ESP-Wroom-02

I am very new to micro controller and circuits. I am not at all with this field. But trying to create a home project where I have a device image attached below. This is 18650 Lipo battery powered ...
user3201500's user avatar
0 votes
1 answer
306 views

Interfacing 4 ESCs and an Arduino with a single LiPo battery

I have 4 BLDC motors, and 4 ESCs, one for each motor. But I have one LiPo battery from which I want to power one Arduino Mega and all the 4 ESCs. Can I remove the connectors from the ESCs and put them ...
APN's user avatar
  • 1
0 votes
1 answer
169 views

Can a DHT11+ESP8266 be powered by a Adafruit USB LiPo charger directly?

I have rigged up a small DHT11+ESP8266 combo which I'm currently powering from the 3.3v from an Ardruino. I've ordered a 3.7v LiPo battery and have a Adafruit usb micro LiPo charger, however, the ...
Retiarius's user avatar
  • 103
1 vote
1 answer
340 views

LiPo + charge/boost circuit vs pre-built "power bank" - contrasting portable power sources [closed]

Portable 5V power for my projects - I was about to get the necessary parts to wire up an OEM LiPo battery (3.7V battery, boost circuit, charging circuit) when I took a peak at pre-built "power banks". ...
nate's user avatar
  • 113
0 votes
1 answer
2k views

Calculate power requirement for 64 rgb led ws2812b [closed]

Hi I am working on small project where I want to run ws2812b module via arduino and lipo battery. I have purchased 64 matrix for ws2812b from eBay and lipo battery with 500mah. I am looking to find ...
Rahul's user avatar
  • 137
0 votes
1 answer
438 views

Arduino for kids toy with Battery (safe), Can Arduino overheat the Battery with long running code [closed]

I am making a learning toy which kids can play with and learn basics of programming. But i am tired of keep replacing the AA batteries as they run out in few days. So i am thinking of using ...
Rahul's user avatar
  • 137
7 votes
3 answers
15k views

Can you charge and use a Li-po battery at the same time?

I have a system that uses an Arduino Uno board as a "brain". All the elements in the system are powered by a single Li-po battery (3-cell, 11.1 V, 1800 mAh). I made a circuit so the Arduino ...
Miguel's user avatar
  • 118
7 votes
3 answers
2k views

USB and Arduino: Power Arduino, charge LiPo, and transfer data at the same time

I was hoping to design my own Arduino board for a recent project of mine, a portable project that was powered by a 3.7 LiPo battery. Most ideally, I wanted to replace the USB B port with a single USB ...
George Troulis's user avatar
5 votes
1 answer
3k views

No power from Breadboard Power Supply Module

Components Breadboard Power Supply Module IM120525004 1 kOhm resistor Green LED Arduino Nano LiPo 7.4V battery LED Lights Up Fine with USB power from the Arduino LED Does Not Light Up with power ...
Cel's user avatar
  • 153
1 vote
1 answer
41 views

Need to turn on project twice in order for screen to work!

This problem is really stumping me. I made a simple printed circuit board with an ATtiny85, a 128x64 I2C OLED display, and a Sharp IR analog distance sensor. You can view the circuit here: circuits.io....
Alex Wulff's user avatar