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Apr 8

Dmitry Che commented on Dmitry Che's video

Gimbal with camera backward orientation

"More photos here http://xaribda.ru/node/84"

Apr 8

Dmitry Che commented on Dmitry Che's video

Gimbal with camera backward orientation

"About 180gm without GoPRO2 and about 360 with GoPRO. Yes, I'm not using APM for gimbal - only Alexmos controller"

Apr 7

criro1999 commented on Dmitry Che's video

Gimbal with camera backward orientation

"Nice gimbal. Can you tell us the weight of the gimbal with motors, without camera? I believe you are not using APM for driving the gimbal, as you said you are using Alexmos."

Apr 7

Dmitry Che commented on Dmitry Che's video

Gimbal with camera backward orientation

"Thank you. Here step 2 - http://xaribda.ru/node/80 and here photos from step1 - http://xaribda.ru/node/79 Sorry for russian description - but nothing special is there. You can see gimbal mounted on a isolated frame. Later I will put some photos…"

Apr 6

criro1999 commented on Dmitry Che's video

Gimbal with camera backward orientation

"really cool. can you show a picture of your gimbal?"

Apr 6

Dmitry Che posted a video

Gimbal with camera backward orientation

Brushless gimbal version 2.1 based on Alexmos shield (firmware 1.2b). Project Himera with vibro isolated underframe.

Apr 5

5 Comments 2 Likes

Dmitry Che replied to Dmitry Che's discussion I burned APM 2.0 - need help

"atmega8u2-mu not in the stock in Russia ((("

Apr 2

Dmitry Che replied to Dmitry Che's discussion I burned APM 2.0 - need help

"Great! I mean this confirms idea that atmega is dead and we have the only way to replace it. "

Apr 1

David Pello replied to Dmitry Che's discussion I burned APM 2.0 - need help

"Ok, I did a new test, I wrote a simple program that should light the tx and rx LEDs on the atmega32u2, but they don't work. This confirms the I/O of the chip is dead. Waiting for the replacement."

Apr 1

David Pello replied to Dmitry Che's discussion I burned APM 2.0 - need help

"My atmega2560 seems ok, it does the startup process (blinking LEDs), and after connecting it to the ftdi cable, I can connect it to the MissionPlanner, etc. So I think it's perfect. The problem with the Atmega32u2 is that as it works as the PPM…"

Mar 31

Dmitry Che replied to Dmitry Che's discussion I burned APM 2.0 - need help

"Thank you for explaining of reasons!! May be I will also try to replace Atmega because I found this chip (ATmega2560-16AU) in stock in Moscow for $29. Do you think will I need to reflash something before uploading of firmware?"

Mar 31

David Pello replied to Dmitry Che's discussion I burned APM 2.0 - need help

"For the moment I tried with an ftdi cable connected to UART0 pins and I'm able to connect with MissionPlaner. The sensors are ok, but as I thought I can't get any signal from the radio, so the PPM encoder is not working, I think the…"

Mar 31

Dmitry Che replied to Dmitry Che's discussion I burned APM 2.0 - need help

"Yes, please prepare some report about this!!! I have same symptoms - USB connection not working.Thank you!!"

Mar 31

David Pello replied to Dmitry Che's discussion I burned APM 2.0 - need help

"I also replaced my TS5A23157 when my APM2.0 USB/PPM stopped working. It seems that the Atmega32u2 is also partially burned... I can program it through ISP/DFU but it's not showing when I connect it to the USB. I've ordered a new…"

Mar 31

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