My friend and I are building a RC airplane. We want to make a sensor to detect the battery level, in order not to drain the battery, or else I won't be able to recharge it. If the battery is low, I want it to either enter landing mode, notify me, or do something.
I have a 6 channel fly sky transmitter and receiver. http://www.hobbypartz.com/79p-ct6b-r6b-radiosystem.html I also have an 11.1 V Li-Po rechargeable battery http://lightake.com/detail.do/sku.11.1V_1800mAh_25C_RC_Lipo_Rechargeable_Battery_for_RC_Helicopter_-31807
please keep down the weight.