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Robert

electronics, IT, music and stuff

Brno, Czech Republic
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11 Followers
56 Following
2 Projects
28 Likes
robert
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This user joined on 03/05/2016.

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The cheap TP4056 Li-Ion charger boards need some upgrade
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TP4056 3V3 load share addon board

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Heating bath temperature controller.
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Heating control system for biogas fermentors

robertRobert

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Customizable OLED keyboard that adapts to the apps you use
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A tiny low voltage tube guitar amp!
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Open-source and open-hardware custom scientific RPN calculator
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anton-poluektovAnton Poluektov

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High-power ultraviolet flashlight for curing UV adhesive (https://bit.ly/FldRdy-DB)
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UVA

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A custom build of a valve amplifier using two 6AK5/EF95 valves, 4S battery pack with protection, charging module and battery level indicator
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A tape echo effect for guitars/vocals built from a cheap portable cassette player and 3D printed parts.
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adam-paulAdam Paul

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Power your WS2812B LED strips with 6-18 V and solve the "dim tail" problem
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RB0004 – NeopixelBooster

jan-mrzekJan Mrázek

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Modern take on TIL311 and reimagination of #PICTIL optimized for easier production and lower part count
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reTIL

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Presta valve extension with built-in, no battery pressure sensor. Connect and forget. Indefinite lifetime.
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No battery NFC pressure sensor for bike valves

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Measuring radioactivity without need of Geiger tube.
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Nuclear radiation sensor with photodiode detector

robert-gawronRobert Gawron

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Powered by an ESP32 this inefficient, imprecise and over-engineered digital clock can be a great learning resource for ESP-IDF beginners
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martin-fasaniMartin Fasani

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Measure Radioactivity Without a Geiger Tube and Avoid False Positive Results, Unlike Many Other Ionization Chamber Projects.
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robert-gawronRobert Gawron

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Constant current boost converter with UVLO and Li-Ion charger
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LED boost converter with UVLO and charger

miroslav-hancarMiroslav Hancar

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Bits

Jacob Still wrote 07/04/2019 at 05:53 • point

Hey Robert, Thanks for liking and following my #DIYTIL311 project!

  Are you sure? yes | no

Kris Winer wrote 01/04/2019 at 18:59 • point

Thanks for liking my MAX32660 Motion Co-Processor project!

  Are you sure? yes | no

Jan wrote 10/11/2018 at 22:09 • point

Hi Robert, you got two really awesome projects going here.
Followed you to keep myself updated :)

  Are you sure? yes | no

Kris Winer wrote 07/08/2018 at 21:02 • point

Thanks for liking my Solar Cell charger  and $25 Spectrometer projects!

  Are you sure? yes | no

Kris Winer wrote 05/10/2018 at 15:33 • point

Thanks for following my $25 Spectrometer project!

  Are you sure? yes | no

Radu Motisan wrote 07/12/2017 at 21:28 • point

Thanks for the follow. You know what this is all about, right?

You can support this effort directly, by making your own KIT1 units or ordering a complete unit on  https://www.uradmonitor.com/join-the-network/
Or even share it to your friends.. thanks!

  Are you sure? yes | no

Kris Winer wrote 07/08/2017 at 17:18 • point

Thanks for following my Sensor Tile project

  Are you sure? yes | no

skrodahl wrote 01/20/2017 at 17:46 • point

Thanks for following the Muffsy BSTRD Tube Pre :)

  Are you sure? yes | no

David H Haffner Sr wrote 12/20/2016 at 17:20 • point

Thanks Robert for following my latest project!

  Are you sure? yes | no

Patrick Van Oosterwijck wrote 06/10/2016 at 16:57 • point

Thank you for following my #LiFePO4wered/USB project Robert!

  Are you sure? yes | no

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