Made an rpm/current sensor for my airplane for $4 and about 20 minutes of my time. Now i get pack capacity and engine run status. Commercial products to do this cost about 40 bucks. Outstanding.
Thanks openXsensor
Moderator: rainer
Re: Thanks openXsensor
May I ask, what components did you use for rpm (brushless motor?) and for current (ACS xxx)?
I see a promini with some cables. Rest is your secret
I see a promini with some cables. Rest is your secret
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Re: Thanks openXsensor
Rpm is from the CDI on my DLE30. Just a single signal wire to digital pin 8. Current is an acs712 to analog pin 2. Current sensor gets power and ground. Rpm doesn't need ground in my setup because i run an opto switch it ties ground on the engine to the radio. If not you'll need ground for the rpm connection too. A hall sensor would work too with power and ground.
Last edited by raleighcoter on Sun Jul 03, 2016 1:42 pm, edited 2 times in total.
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Re: Thanks openXsensor
...power in goes to raw pin and you can grab 5v regulated and ground from all over the arduino
Re: Thanks openXsensor
Thank you for your information