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Anyone running OctoPrint on $9 chip?  

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3d-gussner
(@3d-gussner)
Reputable Member Prusa-Translations
Re: Anyone running OctoPrint on $9 chip?


Update 2:
Got the C920 running (not completely finished, but it works) and as expected the delay with WiFi is quite big, but that's enough to monitor the print remotely 😉 .
Best news is that i was able to use the microUSB C.H.I.P. port, using a MICRO-USB-OTG-ADAPTER and standard USB-A to USB-B cable, to connect to a Arduino Mega 2650 (with Marlin firmware) 😀
Knowing that i can communicate via the microUSB OTG i do not have to use the MiniRambo P3 Rx Tx pins AND i have the USB 2.0 port free to connect other things.

To power the C.H.I.P. i will now have to use its U13 GND and CHG-IN PINs because the microUSb port is not a power source anymore.

Wait, so that micro USB can be used as another host port with an OTG adapter? I've been needing a second port for a project without going to a hub...
Yes, isn't that great. I didn't find any micro USB to USB-B cable. But the OTG adapter works fine. Bought mine with some other parts from Olimex.
The only problem is to power the C.H.I.P. via the U13 40pin female header on pin 1 and pin 2. Check
https://docs.getchip.com/chip.html#pin-headers
https://docs.getchip.com/chip.html#can-i-plug-in-a-keyboard-mouse-and-power

Here some links, but you can find them everywhere.
For DE:
https://www.amazon.de/tinxi%C2%AE-Micro-B-m%C3%A4nnlich-Adapter-Stecker-Buchse/dp/B012AL7ZLI/ref=sr_1_21?ie=UTF8&qid=1484813801&sr=8-21&keywords=usb+otg+adapter
For EU:
https://www.olimex.com/Products/Components/Connectors/MICRO-USB-OTG-ADAPTER/
For UK (non EU 🙂 ):
https://www.amazon.co.uk/d/Adapters/eBoot-Micro-Flash-Connector-Android-Phones-Tablets/B01B7OVW36/ref=sr_1_1?ie=UTF8&qid=1484813357&sr=8-1-spons&keywords=otg+adapter&psc=1
For US:
https://www.amazon.com/Ultra-Micro-Adapter-Connector-Tablet/dp/B015GZOHKW/ref=sr_1_4?ie=UTF8&qid=1484813078&sr=8-4&keywords=usb+otg+adapter
Or something like that:
https://chipdipshop.de/?product=usb-on-the-go-adapter

Posted : 19/01/2017 9:19 am
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