57f9d7a6ce
The previous markdown was not valid and yielded the following warning:
```sh
⬛make html
Running Sphinx v5.3.0
WARNING: Invalid configuration value found: 'language = None'. Update your configuration to a valid language code. Falling back to 'en' (English).
making output directory... done
building [mo]: targets for 0 po files that are out of date
building [html]: targets for 34 source files that are out of date
updating environment: [new config] 34 added, 0 changed, 0 removed
reading sources... [100%] virtual_machines
hackrf/docs/source/list_of_hardware_revisions.rst:36: WARNING: Title underline too short.
HackRF One r10
~~~~~~~~~~~~~
hackrf/docs/source/list_of_hardware_revisions.rst:36: WARNING: Title underline too short.
HackRF One r10
~~~~~~~~~~~~~
looking for now-outdated files... none found
pickling environment... done
checking consistency... done
preparing documents... done
writing output... [100%] virtual_machines
generating indices... genindex done
writing additional pages... search done
copying images... [100%] ../images/noisereducingcablescreenshot.jpeg
copying static files... done
copying extra files... done
dumping search index in English (code: en)... done
dumping object inventory... done
build succeeded, 3 warnings.
The HTML pages are in build/html.
```
Congratulations on double digits.
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================================================
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List of Hardware Revisions
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================================================
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HackRF One r1–r4
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~~~~~~~~~~~~~~~~
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The first revision of HackRF One shipped by Great Scott Gadgets starting in 2014 was labeled r1. Subsequent manufacturing runs incremented the revision number up to r4 without modification to the hardware design. Manufacturing years: 2014–2020
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HackRF One r5
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~~~~~~~~~~~~~
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This experimental revision has not been manufactured.
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HackRF One r6
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~~~~~~~~~~~~~
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SKY13350 RF switches were replaced by SKY13453. Although the SKY13453 uses simplified control logic, it did not require a firmware modification. Hardware revision detection pin straps were added. Manufacturing year: 2020
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HackRF One r7
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~~~~~~~~~~~~~
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SKY13453 RF switches were reverted to SKY13350. USB VBUS detection resistor values were updated. Manufacturing year: 2021
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HackRF One r8
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~~~~~~~~~~~~~
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SKY13350 RF switches were replaced by SKY13453. Manufacturing years: 2021–2022
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HackRF One r9
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~~~~~~~~~~~~~
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MAX2837 was replaced by MAX2839. Si5351C was replaced by Si5351A with additional clock distribution. A series diode was added to the antenna port power supply. Manufacturing year: 2023
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HackRF One r10
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~~~~~~~~~~~~~~
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This revision is based on r8, reverting most of the changes made in r9. A series diode was added to the antenna port power supply. Manufacturing year: 2024
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Hardware Revision Identification
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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HackRF Ones manufactured by Great Scott Gadgets have the revision number printed on the PCB top silkscreen layer near the MAX5864 (U18).
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Starting with HackRF One r6, hardware revisions are detected by firmware and reported by ``hackrf_info``.
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