It’s been 4 months since i started in this hobby. So far i’ve accumulated maybe 20 different 1S batteries between 150 and 720 mah. The problem i found with tiny whoops (the ones i’ve been flying the most) is that i don’t have a way to reliable monitor battery voltage, at least with the beecore boards that i have. Recently i bought a multimeter and started to check voltages right after each flight and some minutes later. Battery voltage can easily drop below 3 volts if you just fly until it falls to the ground, and i know that’s no good. The result of this is that right now i have maybe 9 batteries a little bit puffed.
Many people just set a timer, but i don’t think that’s the best way to leave all batteries in a similar charge in order to charge them together. Now i’m building micros with 8520 motors, and with boards like the f3 evo you have the option to use buzzers for voltage monitoring. That’s the best method that i’ve found so far (at least the most cheap/light/effective method)
So, are there other tiny whoop boards that let you monitor battery voltage? Is there any way to monitor battery voltage in a beecore board? What do you think about? What methods do you use? How many batteries you’ve ruined before starting to use them properly?