i don’t know if its the right place for this, sorry in advance.
i want to find the efficiency of a brushless motor using arduino uno. i don’t know how to approach this, but i have some rough ideas.
you can see in the attachment a clear picture on what is going on inside my head. the questions i have are:
what is the best way to find the power that the motor consumes (as a function of throttle %). i don’t want a live monitoring of the power, instead i want it to take a sample every second and fill a table in excel for the voltage, current, and electrical power.
what is the best way to get readings of torque and RPM so i can get the mechanical power and do the same thing in arduino where it will fill a table of several points in time and then get the motor efficiency.
thrust from a prop will be measured using a load cell and an amplifier.
i may change the esc with servo tester and the battery with a power supply.