Electronics, Open Source and Tools

Some info about electronics, notes and projects and even some quick product reviews.
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ESP-01 BoardEsp-001 Board

A small board designed in Autotrax DEX (now DEXPCB) for building and testing some 12v and 5v IoT devices based on the cheap ESP8266 modules.

A Murano sensor app is tested here.

 

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SDR view of a low power transmission

Capturing the transmission of Anaren LR09A modules with a RTL-SDR. The exceptionally low power mode is easy to spot.

Anaren LR09A article

 

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Wireless Charging  – WE coil choice

Wireless Charging COTS article

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The QiLiCape

Project Status = alpha, not released

Electronics: QiLiCape-v3.51

QiLiCape-v3.51


It’s all about a Wireless Charging (Qi compliant) Li-X Battery Cape for the BeagleBone. Started as a Element14  competition request, the QiLiCape may be released as a part of an embedded electronics product. PCB built in Eagle.

 

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  • Comment on Canadian Researcher Ponders Cyborg Rights by Dug_E_Bug December 13, 2019
    I see your point. The common denominator for your list is the Social Security Number - or equivalent for non-USA countries. Being a boomer, the introduction of the SSN seemed to be apocalyptic for many in my parent's generation. I didn't see it that way, because it was already implemented, and it was 'good'. The […]
  • Comment on AWS Rolls Out AI Inference Chip by Evariste December 13, 2019
    Sounds pretty neat. Has anybody used the AWS F1 instances? These have Xilinx Ultrascale FPGAs. I was wondering how useful they are for hardware simulation; I haven't tried them myself, though.
  • Comment on Qualcomm Rides on China’s Belt & Road Initiative by kenpillay December 13, 2019
    a couple of pinch points on that so-called Belt and Road Initiative : 1. overland rail route has a gauge mismatch ; China 4ft Kazakhstan 6ft 2. sea route/road westward goes through Singapore Straits (and eventually Suez)