LAB Docs
Archive

Guides & reference

Operating guides and technical references — antenna install, pool forwarding, frequency tuning, hotspot recovery and more.

2026-04-07

U Series UI design guidelines

Layout rules, colours and widget sizes for building your own screens on a U1 or U2 — plus the online design tool and a downloadable UI set.

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2026-01-10

BLACKBOX 1.3.7 firmware for N8

An unlocked debug build without the hardware frequency lock, released for testing. Read the caveats before you put it on a board you care about.

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2025-06-30

Firmware all_3.0.9_4 cannot connect to the hotspot

On that build the device expects a specific SSID and password. Rename your access point, restart, and the miner joins again.

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2025-05-15

Locked out of the web UI after a wrong static IP

A bad static IP can make the miner unreachable on your network. Step-by-step recovery back to the settings page.

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2025-04-21

How to change the running frequency

Where the frequency setting lives in the web UI, what to change, and how to tell whether the board is stable at the new value.

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2025-01-20

ESP32: how to install an antenna

Move the resistor from position 1 to position 2 to switch the module to the external antenna connector, then fit the antenna.

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2025-01-26

Pool forwarding with redir

Point the miner at a pool through redir so no fee is skimmed. Worked example with a public pool, plus the supported protocol.

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2025-01-22

8 reasons to turn down Wi-Fi transmit power

Reprinted piece: why running an access point at full power is often worse than a lower setting, especially with many miners on one network.

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2024-10-18

Bitcoin address generation algorithm

From a random 256-bit number to a Base58 address — the hashing steps and checksum, written out for reference.

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2025-01-26 · 中文

esp32如何安装天线?

中文版:更换电阻位置并接上天线接口。English version is listed above.

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2025-01-26 · 中文

如何使用 redir 进行矿池转发?

中文版:用 redir 把矿机指向自己的矿池,无抽水。English version is listed above.

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Dates are the original publication dates carried over from the previous site; content is reproduced as published.

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