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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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OpenHardware.io • mysensors rfm69 atsha204a atmega328 • 17 May 2016, 17:49 • openhardware.io 19 Oct 2020, 08:53

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Hello. Are these modules still in operation? As it is already an old project I would like to know the reliability and energy consumption? Thanks
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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))
Car battery health monitoring and alerts system with IoT integration
My Project • mysensors temperature led ota iot wifi battery powered bluetooth ble low power rgb motion sensor hardware 3d print battery sensor fota mcu enclosure battery monitor pcb layout battery voltage bluetooth low energy measurement alarm system software antenna 32bit pcb manufacturi pcba dc-to-dc • 7 Jan 2021, 20:57 • William Meli 10 Jan 2021, 11:51

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@NeverDie Thx for appreciating the work done. There will also be an open source part in the future. When and how extensive the open source part will be, remains to be seen. The release of certain information (block diagram, ..., in this post) is related to those open source parts. There are some OBD solutions, however most of them (in my experience) give back low frequency data put by the car manufacturer on the OBD-bus (CAN, ...). Therefore transients evolving directly from the battery could only be recorded if the manufacturer sends those data accordingly on the bus. Due to the small bandwidth(also because of other car data that have to be sent, ...), such battery data are sent more often once per second or less. Fast battery events (i.e. cranking events, ...) are therefore imperceptible. Unless the manufacturer processes the fast events and then sends them (once per second or less), which is very unlikely if the manufacturer does not market this feature itself. Third parties devices for high frequency sensing costs several hundreds dollars. In my experience, important battery states (especially the fast ones) are recorded by measuring and processing corresponding data directly on the battery. I agree with you about the limits related to the communication over Bluetooth. But i think Bluetooth 5.0 will improve a lot. However, WiFi will always remain an important option due to the high data throughput. The combination of both (BLE & WiFi), especially with regard to energy consumption, will gain in importance.
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Development • esp8266 wifi eeprom • 11 Feb 2016, 13:42 • Alexander Voronin 12 Feb 2016, 11:06

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@Yveaux I have 34 of 80k RAM used for this sketch, so 128 bytes looks like "a bit more". You can not use progmem with ESP and mysensors now because PSTR redefined as PSTR(x) (x) so all strings are really in RAM
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can you login to the mqtt server with any mqtt client for computer (like mqtt spy or similar)?
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I look forward to seeing photos....
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@NeverDie Sorry for delay... This is example (improved version with 3d printed fixer)

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