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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
@Olimex can help me out? <3pic.twitter.com/PEudNuHaHx
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Niklas Fauth proslijedio/la je Tweet
I feel like your stickers are appropriate here
@JanHenrikH
https://twitter.com/hackaday/status/1223546095328006144 …pic.twitter.com/zsgAiVKYUy
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Niklas Fauth proslijedio/la je Tweet
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.pic.twitter.com/SIvzsLfURr
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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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How can something be so close and still so far away
OS02C10 image sensor is listed on http://arrow.com , 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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Niklas Fauth proslijedio/la je Tweet
Thanks for getting back to me. It looks like the BLÅHAJ has been discontinued
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Niklas Fauth proslijedio/la je Tweet
TI LM97600 (https://www.ti.com/product/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
@datenwolfpic.twitter.com/fyLWxM1PWD
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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? https://simcom.ee/documents/SIM900/sim900_reliability_test_report.pdf …pic.twitter.com/FU864Ecffn
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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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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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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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MTBF in electronics engineering is non-standardized bullshit. Change my mind.
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Niklas Fauth proslijedio/la je Tweet
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.pic.twitter.com/gpTE3TAGi5
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Niklas Fauth proslijedio/la je Tweet
Empty toilet paper rolls to weigh songbirds work great!pic.twitter.com/65xXco9bk5
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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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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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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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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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The project seems quite old but still works. I used these modules: https://aliexpress.com/item/33016600152.html … The flasher download is down, but this worked perfectly for me: https://github.com/tjikkun/zigate-flasher … The boot / reset logic is the same as for the ESP32 / ESP8266. You can use the same programmer.
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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.https://peeveeone.com/?page_id=252
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