In flight current and temperature logger for radio controlled models. Allows electric power setup to be tuned using inflight measurements rather than ground based testing. The core is an Arduino nano that I had lying around. The current sensor is a zero to 30A ACS715 hall effect device on a breakout board ready assembled. The temperature sensor is a TMP102 ready assemble on a breakout board, it uses an I2C interface. These devices are just wired to the Arduino and it is ready to go.
Once complete motor current and battery temperature can be monitored in flight.
For more info go to http://myweb.tiscali.co.uk/assocofbodgeartists/Articles/InFlightMeter/InFlightMeter.html.
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