Thanks Steve. Donāt worry Please see below.
I just tested it using a multi meter and itās reporting 14V + ! So obviously the battery status function in the charger is spitting out nonsense! This is for both your one and the new one.
I will check individual cells once I get my head round it. Just imagine it shows the capacity at 2%? There is something wrong with that function of the charger at this point and I am not going to trust that charger any more (to charge either) as you can imagine.
I will have to find a suitable power supply and use the charger I got off you. Thanks for the offer but I donāt want to unnecessarily trouble you at this stage.
I posted the issue mainly to get help / advice and a bit of hair splitting at my end as I still havenāt been able to do much with it!
But we will get there.
All, Mustered up the courage to use the multimeter on the LIPO and each cell shows 3.68 or thereabouts!
So the Charger is dishing out porkies. Havenāt heard back from Yourfpv.co.uk yet. So no real issues with the battery. As @SirGunner surmised itās the charger. So given that itās thinking one cell is quite low, you canāt depend on it to charge the battery accurately. Can you?
OK. Identified the issue. Itās the board with a bout five white connectors going back to the charger. That is faulty. The C240 being a duo had two of them for the two charging ports. One of them works. I measure the voltage coming out of both boards per cell and realised one board doesnāt report on the first cell.
So there you go.
Once the working one is connected the battery has 10% charge and each cell is at 3.684 / 74 / 83 etc.
Now its time to set the charging settings which I am not sure about. But hopefully I will be told what to do here!
Thanks everyone for bearing up with this.
When you are in betaflight, go to the bottom tab called ācliā
Type in ādiff allā
Copy all the lines into notepad and save it. This is your working backup config.
You canāt arm in betaflight. If you arm without props when not on betaflight, donāt do it for long as the motors will start gaining speed on their own.
Just have a good play with everything. Just make sure you save the above info first.
So I have powered up the little toy. One blue light and at least six red lamps! Nothing went up in smoke! I have ordered a smokestopper but couldnāt wait.
Managed to get Betaflight to connect. Did the diff all and saved output. It made some quite rude shrill noises but they have stopped now but the red lights remain.
Iād hope no smoke as karl and stevie have tested and flown it before!
Send it!!!
Heh seriously I guess get familiar with Betaflight config, learn how to lower youāre throttle input (I actually do it on the radio not in betaflight). Learn how to switch between angle and acro mode, and maybe a little hover in a field on angle mode to get started. Totally depends on how much time you have put in the sim. Did you check you got a video feed on the goggles, when itās plugged in?
Just found a bit of time after a long period of time to play with the FPV (it hasnāt got off the ground yet).
trying to get my head round something @notveryprettyboy suggested about reducing the throttle etc. Now I havenāt done this yet. What I noticed though is that when I arm the FPV the motors rotate at a very low speed and as soon as I increase the throttle stick (no props on), I can see the motor speed increase to a constant amount and no matter what I do (increase / decrease throttle), it seems to stay on that level.
Am I missing something here? I am expecting the throttle stick to slowly ramp up the throttle (motor speed) as I move the throttle stick up. Or am I getting this wrong?
Further betaflight seems to name the channels aux1 ā auxn starting from channel 5. This confused the life out of me. Then on the transmitter there is a reference to Aux / channels which seem to mean something different.
I am trying to get my head round all of this things before I just put props on and arm it.
I have reduced the throttle scale to 60. Is there a safe way to tune this without putting props on? I just want to make sure I am not going to propel the FPV out of sight when I ramp up the throttle. Also how do I tune the roll / pitch / yaw? I know itās the PID tuning screen / rate profile tab. Thanks.
The only real way of tuning is flying it and watching it. I wouldnāt try to tune it yet though. It takes a lot of experience. It should already be very much flyable.
Just bite the bullet and try. In a large field. If in trouble, disarm. Always know where that switch is.
