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Attention: RC-CAM.com will be closing down August 2021.

The RC-Cam.com forum was the very first online community dedicated to the advancement of wireless video cameras on radio controlled (R/C) models. This is now called "FPV" (First Person View). We are proud of the contributions that our members have made to the FPV hobby.

We've seen significant changes over the last twenty years. Initially there were a lot of eager R/C hobbyist that built their own video systems. Allowing these creative individuals to share their work was the purpose of this site. Now the FPV market is flooded with low cost systems; Sadly DiY FPV video projects are now rarely discussed.

RC-CAM.com (main site and forum) will be closing down August 2021. This is being announced now (March 2021) so that everyone has time to download any information that is important to them. After the site is shutdown the information will no longer be available here.

We appreciate every member's involvement with advancing the FPV hobby. It is indeed sad to say goodbye to all our online friends. Be safe and stay healthy.



Motor current measuring


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Please can you help me with this problem. I need measuring current of the RC engine. I use use shunt resistor and measure the voltage with PIC 16F88 AD (10bit). But the current is not fixed . The current value jump from 0 to max . How can I get fixed current value ?

Thanks

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The current will constantly change to some degree. You need to average your current readings over a few milliseconds unless your measuring device is fast enough to handle instantaneous current readings. It is possible that your motor runs at max in your application. However you haven't provided enough data as to your setup, equipment, and parameters to really analyze what's happening.

Ron

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