![]() ![]() The second one looks more convincing to my untrained eye (I’m a software person who hacks hardware in a somewhat cookbook style - generally after massively over investigating things). I did find this project (using a RaspIO Duino) and this one (involving a different resistor layout) using an Arduino Nano. Lipo Battery Voltage Tester Monitor, RC Battery Checker Real Time Viewing 4 PCS LED Indicator Overcharge Prevention 2 in 1 for Self Checking :. But I didn’t come across something that had that “this is definitely the answer” feel. something in the learning sections of Pololu, Adafruit or Sparkfun. Usually one can find a fairly definitive looking project for this kind of thing, e.g. The alternative with a bit more work would be to wire up something nice and tiny like an M0 trinket (although after taking 2 pins for I2C, to talk to the main MCU, I’d only have 3 analog capable pins left over - so maybe it’s a bit too tiny). this project on Instructables does exactly that. I wouldn’t have per cell data but I’d know the alarm was monitoring the individual cells and activating the buzzer when the first of them went too low. The Fuel Gauge (battery monitor) is only designed for a single cell. The easiest thing to do would be to buy a low voltage alarm and desolder the buzzers and wire their connections into my MCU. A number of Particle devices can use a Lithium Ion Polymer battery (LiPo). a breakout with a balance connector and a small IC with e.g. FREE Shipping on orders over 25 shipped by Amazon. From experience elsewhere, I know the cells in a LiPo can discharge in a surprisingly uneven manner so I’d like to monitor the individual cells via the balance connector.Īs this isn’t the core of the project I was hoping to find a ready to go solution, e.g. HRB RC Cellmeter 7 Digital Battery Capacity Checker Lipo Battery Checker Controller Lipo Tester Voltage Tester for LiPo Life Li-ion NiMH Nicd Cell Meter Battery Checker Tester for Household Batteries. I have a small robot project and I want to monitor the LiPo I’m using. The LiPo Battery Voltage Checker 1S-8S with Buzzer is a quality product available and a special design to measure and display the voltage of.
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