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This value substracted by 1000 will give you TMax. The formula is available from the Cleanflight docs – In addition to the current measurements, you need your max_throttle value – available in the Configuration tab or via CLI: # get max_throttle I am not sure if motor-stop is factored anywhere, as it doubles the Imin value, I guess this is question for the firmware developers.
#Which cleanflight firmware i am running full
I personally chose to ignore the initial current spike at full throttle, and waited a second or so to settle before taking the value. The Cleanflight docs indicate to measure current at disarm Imin and at full throttle Imax. If your VTX requires additional button to power-on, press it. I strapped mine down to a heavy saw-horse as shown below and ensured the blades spin free and the LiPo/power analyzer are safely out of the day. Ensure your quad will not endanger anybody or cause damage when running at full throttle.
#Which cleanflight firmware i am running how to
OSD – MinimOSD running MW-WII firmware. Oscar Liang has an excellent tutorial for how to configure this OSD.High-C charged LiPo capable of sustaining full throttle of your quad for a few seconds.Power analyzer or any other convenient way to measure the LiPo current when disarmed and at full throttle.I went for #1 as I recently acquired a power analyzer tool for my thrust test setup. Battery Charger Measurement – with a charger that show accurately how much mAh were charged.Actual Current Measurement – with a power analuzer, current meter, etc.Make sure the propellers and other moving parts are not at risk of snagging/cutting something.Īs the docs state, the virtual sensor needs to be calibrated with an offset and scale parameters using two recommended methods: Check and re-check your straps or other stabilization system and ensure the craft cannot lift, tilt, fall off or cut through the restraints. I always considered current sensor, amps and mAh measurements out-of-reach concepts, left for specialized / proprietary hardware for big-brand builds like the Vortex, DJI etc. I knew Cleanflight Configurator supports the concept and browsing through the docs few weeks back, I stumbled on the Virtual Current Sensor description It looked simple enough so I tried it, seems to work pretty well, so I decided to share my quick setup.ĭISCLAIMER: Standing near an armed multi-rotor running at full throttle is dangerous! Do at your own risk.