Browse products by Jiří Praus on Tindie

I bought a few of these as a gift. SMD soldering looked a bit daunting so I opted for the ones with the chips already attached. I did the remaining SMD components myself with a normal soldering iron and left the non-SMD soldering for the new owners. Tweezers, extra soft flux and good illumination were the only extra things I used. It was easier than I thought but it takes time and care is needed not to lose the tiny components.

I don't have one but the large (around 20cm?) anglepoise-style illuminated magnifying lenses look ideal for this.

I think the LEDs are slightly dimmer when running from the CR2032 battery. USB power is fairly bright close up with all LEDs on.

Andre | May 23, 2021

Good product

For OpenTherm Gateway Arduino Shield

With this product i was able to use google nest with my heatpump that requires a specific ot command set.

Mark | Dec. 29, 2020

Good and solid product

For OpenTherm Gateway Arduino Shield

Delivered in a few days. Nicely packaged. Board woks fine and looks good. The support from Jiri is very good. He responds fast qith good comments.

Cees | Oct. 9, 2020

Great board & Good Customer Service

For OpenTherm Gateway Arduino Shield

I wanted this board for trying it out against an HVAC, for which there is not default support in the library.
The seller was fast to answer my initial questions and somewhat slower to solve some later issue that arose.
In the end all got fixed and with some of my own tweaks to the library I can easily communicate with my HVAC.

Good and neat packaging
Excellent board layout with great open source documentation
Easily extensible library
Good customer support

Steve | March 29, 2020

Perfect transaction

For OpenTherm Gateway Arduino Shield

It arrived quickly and very well protected in its packaging. The instructions provided are very clear with a photo to support it. Jiří's library available on GitHub greatly simplifies integration into my own application. Jiří answered my questions quickly. Product works fine with Wemos D1.
Thank you.

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Jiří Praus

OpenTherm Gateway Arduino Shield

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Tasteful, well-designed and a good introduction to SMD

Good product

Good and solid product

Great board & Good Customer Service

Perfect transaction