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Che Martin

Home Members Che Martin

feel free to call us    +919.557.9162      sdr@sdrobots.com

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@cmartin

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    Che Martin replied to the topic Convert Wheel Speed to PWM |Omni-wheel robot Question in the forum General Robot Discussion Topics 4 years, 5 months ago

    Good Morning,

    Thank you for your reply. I have been trying to do the scaling but the issue is that that PWM to Speed is not a fully linear relationship. For instance a PWM of 60, 80, 100, produces a wheel speed of .08, .12 and .16 m/s respectively but as I go higher example a PWM of 120,140 and 160, the respective speeds in m/s is .18, .19, 20.…[Read more]

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    Che Martin replied to the topic Triangular Omni Wheel Vectoring Robot | ENCODER with MEGA in the forum Product Questions 4 years, 5 months ago

    This Helped.. Thank you

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    Che Martin started the topic Triangular Omni Wheel Vectoring Robot | ENCODER with MEGA in the forum Product Questions 4 years, 7 months ago

    Good Afternoon All,

    I purchased the item TP-251-003 and wrote a script to get encoder values which worked well with the UNO board following the wiring directions located a at https://www.superdroidrobots.com/Schematics/Omni_wheel_Sabertooth_PWM_Encoders.pdf. I recently swapped out the UNO for a MEGA, using the same wiring where A0,A1, A2 for…[Read more]

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    Che Martin started the topic Convert Wheel Speed to PWM |Omni-wheel robot Question in the forum General Robot Discussion Topics 4 years, 8 months ago

    Good Morning All,

    I have the Omni-wheel Vector robot and I am working on making it autonomous. I used the wheel speed in m/s to get a PID output. My question is how do I convert the PID output to a PWM for my Analogwrite command? My PWM range is -225, 255.

    Regards,
    Che

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    Che Martin started the topic Triangular Omni Wheel Vectoring Robot | problems in the forum Product Questions 4 years, 12 months ago

    Good Day,
    I wired the robot and loaded the arduino example code from the product page. However only one motor turns (connected to PWM A), in short incremental bursts. I know the other boards seem to work because when I switch the (INA, PWM and INB) cables of the working PWN boards, to another board the new board works/motor works and the previous…[Read more]

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    Che Martin started the topic FlySky FS-i6 2.4G 6CH AFHDS RC Transmitter With FS-iA6 Receiver With Vector Omni in the forum General Robot Discussion Topics 5 years ago

    Good Evening,

    I purchased the Flysky RC and omni Vectoring robot. I wired all the robot according to the schematic but have questions on the rc reciever. How to connect the buffer board and the reciever to the adruino? Do I plug from the buffer red and black cable to the unused channel power on the reciever and then use another wire and power…[Read more]

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    Che Martin became a registered member 5 years ago

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