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OTA and Authentication Evaluation Board

openhardware.io 21 Jan 2016, 10:29 last edited by

https://www.openhardware.io/view/18/OTA-and-Authentication-Evaluation-Board
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atsha204a 28 ota 16 eeprom 7 auth 1 authentication 1
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topic:timeago_later,about a year

TriXwooD 18 Feb 2017, 13:50 last edited by

Is it possible to use another flash chip? I can not find the same exact type without 25 or more euro extra shipping cost or order more then 100 euro..
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Fabien 18 Feb 2017, 13:54 last edited by @TriXwooD

@TriXwooD https://forum.mysensors.org/topic/4267/w25x40clsnig-as-flash-for-ota
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TriXwooD 18 Feb 2017, 14:10 last edited by @Fabien

@Fabien: Thanks!
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atsha204a 28 ota 16 eeprom 7 auth 1 authentication 1

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Hi @berkseo. Thanks for the suggestion, but could you describe in more detail? As for my TODO list, there is already a task to add 485 interface to the gateway. My latest device "xRoom" have this interface. ps/ Where have you gone? I have been working on "xRoom" shield. A small announce: Do you remember the discussion about multinode? So, it will be available soon))
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@rvendrame sorry, I did not see your comment. Yes, it is VERY valuable. Thanks a lot
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@tekka Is there any changelog to it also or it was just made officially available again? although last online status was 22 AUG 2020, so anyone else can confirm anything about it? I'd just be cautious without confirmation.
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The choice of MOSFET can be tricky. Seems that irlz44n was discontinued so you may need to find one adapted to the voltage and current you want to handle. In all the cases you need to get a logic MOSFET too, meaning that they are fully open usually around 1 to 3V. Also I'm sort of confused as it seems to me that L7812CV is a Voltage regulator, not a MOSFET. So if you are actually using that in the MOSFET spot it will definitively not work. Especially if you are handling high current or voltage I would recommend using one from a reputable source for your MOSFET, I recently switched from mouser / digikey / aliexpress to mostly use http://www.arrow.com as you get free regular shipping, event if you order a couple of components (no affiliation to them whatsoever).
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@fets So far, I have only built the 5x5 board (but the others should be schematically identical). The only issue I have found so far is that I cannot get the ISP port to work. But I have checked and I have an identical setup on the 1.0 board and that worked, so I suspect the programmer is too weak to drive the net on this one. So it is not a board-issue per se, and might only be an issue on the 5x5 board as routing is the most complex on that one due to the size.
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I have already published all the documentation, on my website, GitHub and openhardware.io For now I leave the node as finished. SmartHome: Wireless LED RGBW Controller – 00:55— giltesa
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@kalina, Thanks. So it will not work for my configuration. Wall switch (push button) is already installed. No possibilities to draw more electrical wires. Moreover, if i put the board near the light, i have just the Neutral and the return wire from the wall switch. No Live wire to power on the mysensors board. I think in my ase the best way is to manage everything in my garage in the electrical main board where all the wires are mapped. I can get L + N for mysensors power supply. And i can continue to reuse the original wall switch independently of the Mysensors board.
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BTW, I like how you both made a case for it. Very nice!

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