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Official website : https://www.minerkeeper.org (https://www.minerkeeper.org)

What is Minerkeeper ?

It's a system composed of a board, various sensors, and an Android app. The board collects various environmental and electrical data to verify that your miner is operating correctly and safely.
The data can be read by the app if connected to the same LAN or read remotely via Thingspeak.

The Minerkeeper code is open-source on Github (BSD 3-Clause License)

What data is collected?

Minerkeeper collects the following data:

• Miner inlet air temperature
• Miner temperature
• Miner outlet temperature
• Ambient temperature
• PSU Voltage Measurement - 3.3V 5V and 12V
• Miner Fan Speed
• Flame detector
• Wall measurement of voltage, current, power and energy consumed
• Hashing speed, coins earned, balance

Does Minerkeeper have automated tasks?

Yes, Minerkeeper supports different automated tasks.

• Control the speed of your miner's fans to extend their lifespan and limit the noise they generate.
• If you have installed the air valve Minerkeeper can regulate the use of heat generated by the miner to heat the room if required or evacuate the heat outside
• When the flame detector is activated it starts a miner shutdown procedure by disconnecting the voltage from the wall via a contactor

Does Minerkeeper provide notifications?

Notifications are sent via email, Whatsapp and Telegram

Minerkeeper is a project already realized and currently in beta-testing

Minerkeeper was born within the NEXA ecosystem (https://nexa.org (https://nexa.org)) and the prototype was presented at the WAIB 2025 in Monte Carlo.

SOCIALS

Discord - https://discord.gg/PSKv78Y33g (https://discord.gg/PSKv78Y33g)
Github - https://github.com/B1ackt34/MinerKeeper (https://github.com/B1ackt34/MinerKeeper)
Google Play - https://play.google.com/store/apps/details?id=appinventor.ai_meloveburek.Miner_Keeper_1 (https://play.google.com/store/apps/details?id=appinventor.ai_meloveburek.Miner_Keeper_1)
X - https://x.com/MinerKeeper (https://x.com/MinerKeeper)

VIDEOS

Minerkeeper presentation - https://www.youtube.com/watch?v=UEe45bb1qn4 (https://www.youtube.com/watch?v=UEe45bb1qn4)
Prototype presentation at WAIB 2025 Montecarlo (Monaco) - https://www.youtube.com/watch?v=GfgnOkiu6yc (https://www.youtube.com/watch?v=GfgnOkiu6yc)

Here you can see the new version of the Miner Keeper motherboard.
The component layout has been revised, and there's now a light indicator if an alarm is active (this occurs when a value deviates from the preset value).
The miner's voltage measurement circuit has been improved.
There are now two versions, each with a different color scheme (same functionality).

https://www.minerkeeper.org/wp-content/uploads/2026/07/P1010112-scaled.jpg

https://www.minerkeeper.org/wp-content/uploads/2026/07/P1010113.webp