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Can someone share how to drive TX of ESC of DJI spark motor?
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<blockquote data-quote="aeropic" data-source="post: 119054" data-attributes="member: 21117"><p>Hi everybody. I'm very new to this forum and found it by chance searching for "spark ESC Tx"</p><p>I get some skills as an electronics hobbyist, tinkering on drones ...</p><p></p><p>I would be too interested in the answer to your question, mainly for curiosity and R&T ;-)</p><p></p><p>What I'm sure is that Tx is a digital signal for two reasons :</p><p>- I measured it on a scope. There are serial bits at quite low frequency (1 to 2ms per bit) with a voltage of 3.3V</p><p>- as it drives both the motor speed and the leds, it cannot be PWM !</p><p></p><p>We should now go to the step of logic analyser to expect further information. It might be a simple serial protocol...</p><p></p><p>Any feedback welcome!</p></blockquote><p></p>
[QUOTE="aeropic, post: 119054, member: 21117"] Hi everybody. I'm very new to this forum and found it by chance searching for "spark ESC Tx" I get some skills as an electronics hobbyist, tinkering on drones ... I would be too interested in the answer to your question, mainly for curiosity and R&T ;-) What I'm sure is that Tx is a digital signal for two reasons : - I measured it on a scope. There are serial bits at quite low frequency (1 to 2ms per bit) with a voltage of 3.3V - as it drives both the motor speed and the leds, it cannot be PWM ! We should now go to the step of logic analyser to expect further information. It might be a simple serial protocol... Any feedback welcome! [/QUOTE]
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Can someone share how to drive TX of ESC of DJI spark motor?