IoT-devices LLC – Medium

IoT-devices LLC

IoT-devices LLC

Geiger tube conversion factor: differences between the coefficient for source radiation power and…

We have previously written about how to calculate the coefficients for the SBM20 tube and the J305, tube that come with our Geiger counter…

8 min readMar 24, 2024

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Geiger tube conversion factor: differences between the coefficient for source radiation power and…

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IoT-devices LLC

Geiger tube J305: How to calculate the conversion factor of CPM to μSv/h. Technical note

We have already made a similar publication for the SBM20 Geiger tube. This time we bring to your attention an article dedicated to the…

8 min readJan 8, 2024

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Geiger tube J305: How to calculate the conversion factor of CPM to μSv/h. Technical note

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IoT-devices LLC

LM75 thermometer: connection to ESP12.OLED_V1 in ESPHome

Everyone who is involved in DIY IoT projects is familiar with the LM75 temperature sensor. Termometer LM75 — it is a cheap and convenient…

8 min readJan 7, 2024

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LM75 thermometer: connection to ESP12.OLED_V1 in ESPHome

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IoT-devices LLC

About changes in ESPHome configuration validation — Pin Reuse validation

Recently, the ESPHome firmware has been changed to prevent the same controller I/O ports from being reused to create different entities.

3 min readJan 5, 2024

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About changes in ESPHome configuration validation — Pin Reuse validation

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IoT-devices LLC

GGreg20_ES Price Reduced

We have significantly reduced the price of GGreg20_ES Epoxy Souvenir for Geeks

1 min readDec 20, 2023

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GGreg20_ES Price Reduced

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IoT-devices LLC

IF BlackFriday() OR CyberMonday() THEN Sale(%);

Cyber Monday until 30.11!

1 min readNov 23, 2023

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IF BlackFriday() OR CyberMonday() THEN Sale(%);

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IoT-devices LLC

Two products — Geiger counters — are ready for orders on Etsy

You can already find two of our products in our official Etsy shop. We were the first to put up our charity souvenir Geiger counter…

1 min readNov 11, 2023

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Two products — Geiger counters — are ready for orders on Etsy

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IoT-devices LLC

The IoT-devices, LLC store is already on Etsy

November 06, 2023, Kyiv, Ukraine.

2 min readNov 6, 2023

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The IoT-devices, LLC store is already on Etsy

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IoT-devices LLC

Demonstration video of a faulty SBM20 GM tube using GGreg20_V3 Geiger counter

The signals from the faulty tube are in series. If you do not check such a tube on the appropriate equipment, you may think that it is…

1 min readOct 31, 2023

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Demonstration video of a faulty SBM20 GM tube using GGreg20_V3 Geiger counter

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IoT-devices LLC

GGreg20_ES — epoxy souvenir Geiger counter

As participants in the DIY IoT market, we see that the same faulty or exhausted SBM-20 Geiger tubes are resold from hand to hand several…

1 min readOct 28, 2023

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GGreg20_ES — epoxy souvenir Geiger counter

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IoT-devices LLC

IoT-devices LLC

IoT-devices is a Ukrainian private company founded in 2020 in Kyiv, which develops and manufactures its own ecosystem of electronic modules for IoT and DIY

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