drone help for a drone newbee - Page 1
Forum section: electronics / beginners

author: EEjxn
author_rank: Newbie
timestamp: July 17, 2020, 02:55:45 pm
content: Hi everyone,Would someone please look over this drone wiring and tell me if it is good? I can't get the motors to spin as they should and I'm not sure what I'm doing wrong. The battery is fully charged and I'm pretty sure I've done everything right. I'm using aTurnigy 9X 9Ch Mode 2 Transmitter w/ Module & iA8 Receiver (AFHDS 2A system)https://hobbyking.com/en_us/turnigy-9x-9ch-mode-2-transmitter-w-module-ia8-receiver-afhds-2a-system.html?queryID=b84d5f1c536ac90960e8eecb0ec5f4d9&objectID=67149&indexName=hbk_live_magento_en_us_productsthat I got from hobby king and aTurnigy MultiStar 30A BLHeli_32 4-in-1 Race Spec ESC w/ F4 FC, OSD & BEC (2-4S)https://hobbyking.com/en_us/turnigy-multistar-30a-blheli-32-4-in-1-race-spec-esc-w-f4-fc-osd-bec-2-4s.html?queryID=4b1bbabd988182f8493be5becbbf3549&objectID=74304&indexName=hbk_live_magento_en_us_productsflight controller. The solution should be so simple which I believe is why I'm stumped. Please be gracious to a newbee! Thanks for any help.

author: awallin
author_rank: Frequent Contributor
timestamp: July 17, 2020, 05:07:11 pm
content: are you sure you don't have double ESCs there?Looks like your center board already has 4 ESCs, and the 4pcs 3-wire tabs from the center board should go directly to the motors??(instead you are treating the 4pcs 3-wire tabs like servo-signals and wiring them to 4 pcs separate ESCs sitting on each arm??)just a guess from a quick look...

author: StillTrying
author_rank: Super Contributor
timestamp: July 17, 2020, 05:25:47 pm
content: I wouldn't be surprised if the flight controller did nothing until the correct 3 RC channels were connected.Quote from: awallin on July 17, 2020, 05:07:11 pmIt looks that way to me as well.

author: EEjxn
author_rank: Newbie
timestamp: July 17, 2020, 07:29:03 pm
content: Gosh, that'll humble you. I have made that correction but to no avail. It still won't spin the motors. Can you guys take another look and see if you can spot another obvious problem? I believe I have the receiver wired to the flight controller correctly.

author: jogri
author_rank: Frequent Contributor
timestamp: July 17, 2020, 07:52:51 pm
content: Might sound dumb, but have you set it up in Betaflight/Cleanflight? You can try to ramp up the motors there, and you have to set a disarm switch (although the motors should beep when connected to power, even when they are disarmed).Edit: You also managed to build your quad simultaneously backwards, sidewards and on the wrong side of the frame: Motors 1/3 are usually at the back, the little arrow on the PCB of the FC indicates where the front should be. Also, your battery holder is diagonal to your flight direction-> i've made the experience that this configuration is absolutely unstable in flight, and everyone i know orients their Lipos along the front/back direction. Also also, you inserted the motors the wrong way around: The Lipo should be on top of the quad, not on the bottom (the nuts for the props are currently at the wrong side of the quad).Most things regarding the orientation of the FC can be changed in Cleanflight (ie where the arrow points vs where the real front is), but you should rotate the frame and flip it.Protip: Use props with two different colours for the front/rear motors or mark the frame: Having to guess/try out where the front of your quad is while it is hovering kinda sucks (and can be unsafe).

author: StillTrying
author_rank: Super Contributor
timestamp: July 17, 2020, 08:07:23 pm
content: Post a .pdf of the flight controller instructions, have you read them!If you're using just the one RX output, have you got the TX, RX and FC into SBUS/IBUS mode, I don't know how that mode works.Have you pressed the Boot switch.Are the LEDs on the FC lighting up.https://cdn-global-hk.hobbyking.com/media/file/w/i/wiring_diagram.png