Niklas Fauth  

@FauthNiklas

Electrical engineering @ KIT. Hardware, hacken und flausch. Otterkeeper von

Germany
Vrijeme pridruživanja: lipanj 2013.

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  1. Does anyone from Europe happen to have some Allwinner / Sochip S3 at hands? I really want to assemble a project, but I don't think I will get the ones ordered from China any time soon :( Maybe can help me out? <3

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  2. proslijedio/la je Tweet
    1. velj
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  3. proslijedio/la je Tweet
    31. sij

    Got my donor TS100! Don't turn it on, take it apart! :D The Otter-Iron is a perfect fit, just need to solder down some remaining parts.

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  4. 24. sij

    Reading the specs, this is one hell of an image sensor. Quantum efficiency of 60% at 850nm and 40% at 940nm. With Si substrate. For apparently ~9$ per sensor, single-order quantity 🤯

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  5. 24. sij

    How can something be so close and still so far away 😭 OS02C10 image sensor is listed on , but not in stock, and they are unwilling / unable to restock it. Worse, this is the first component ever without a single listing on Alibaba 😥

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    Odgovor korisniku/ci

    Thanks for getting back to me. It looks like the BLÅHAJ has been discontinued 😢 - Tariq

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  7. proslijedio/la je Tweet
    21. sij

    TI LM97600 () is a high-speed ADC that has an "average sample size of 7.6 bit". wait, what? average sample size? of 7.6 bit? well, it turns out that under US regulations, 8 bit ADCs that are faster than 1 Gsps are controlled. /via

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  8. 21. sij

    Like, wtf am I supposed to do with this information? 133690h. If I include it in my report, it drops my MTBF by a factor of 10. Still I have the strong feeling the product will not only fail because of the SIM900. How do I deal with this professionally?

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  9. 21. sij

    Which is, after all, completely redundant, since no one is guarantying me anything for the ESP32, or that "Wuxi Smart Microelectronics" SO-8 motor driver.

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  10. 21. sij

    Okay wow I used this super expensive MTBF Prediction Application which returns me a MTBF of ~15.000.000h for a STM32 based design, as per Telcordia 3. Great. Meanwell states 970300h as per MIL-HDBK-217F for the used power supply.

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  11. 21. sij

    I'm trying to guesstimate a vague lifetime expectancy of a rather simple electronics design, and it's freaking me out. And I thought rotation in CPLs is bad...

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  12. 21. sij

    MTBF in electronics engineering is non-standardized bullshit. Change my mind.

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    18. sij

    My order of production optimized OtterPills arrived, yay! :3 To keep the price per board low, I ordered a lot more then I need, so if you want to buy one or two, DM me! The price for a complete SMD pre-assembled kit is 6€ + shipping.

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    17. sij
    Odgovor korisniku/ci

    Empty toilet paper rolls to weigh songbirds work great!

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  15. 18. sij

    The more elegant way to do this would be to integrate WS2812 or serial comms support in the JN5168 firmware. However, looking at the required toolchain and SDK, I decided I can afford a lot of ESP32 / STM32 before it's worth touching this working binary :D

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  16. 18. sij

    So finally I have a chance to build my own lamps with proper software support. Lamps I don't have to reflash when I change my WiFi credentials... If open source can't supply what I am looking for, next best thing to do is copy proprietary, working solutions, I guess :3

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  17. 18. sij

    The much cheaper TRADFRI claims to be compatible, but it is not. The ikea RGB lamps only support on/off, and generally the hardware is shit (I had simple on / off switch, batteries ran out every 6 weeks. My Phillips switch has the same batteries after >2 years.)

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  18. 18. sij

    I find this awesome because even trough there already exists a variety of HTTP based Arduino scrips, OpenHub etc. for smart bulbs, some of which I used for some time, the only system I really liked so far is the Phillips Hue App. Unfortunately, even a simple 5W lamp is 30€.

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  19. 18. sij

    The project seems quite old but still works. I used these modules: The flasher download is down, but this worked perfectly for me: The boot / reset logic is the same as for the ESP32 / ESP8266. You can use the same programmer.

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  20. 18. sij

    In case you didn't know it yet: You can build your own Phillips Hue / TRADFRI enabled smart lamps for < 5€. There is precompiled firmware that can be used to generate RGB PWM, this can be measured by a second microcontroller to control eg WS2812.

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