Salt-lamp meeting reminder — v1 spec, STPA safety analysis, and atopile hardware board - #1

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Dementor430 wants to merge 26 commits into

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design/salt-lamp-reminder

Commits on Jun 28, 2026

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8ca7ae6
Add v1 design spec for salt-lamp meeting reminder

Dementor430
and
claude
committed
089be3d
Revise spec: add temp/humidity sensor + closed-loop dryness; both calendar paths day-one

Dementor430
and
claude
committed
6bd2a45
Add STPA safety analysis: hardware-personal, hardware-meetingroom, firmware

Dementor430
and
claude
committed
4802e68
Fold post-STPA decisions into spec: over-temp ownership, open security, heartbeat, status LED

Dementor430
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claude
committed
96bcd4a
STPA iteration 5: post-decision delta (open bootloader, heartbeat, over-temp comparator, status LED)

Dementor430
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claude
committed
de62e92
Spec: fold iteration-5 delta-STPA board requirements (latch-state sense line, NTC pinout)

Dementor430
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claude
committed
d9c7397
Add hardware implementation plan (atopile v0.2.x)

Dementor430
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claude
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0a7506c
hw: scaffold buildable SaltLamp top module + ci target
Dementor430
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014ae13
hw: install USB-C/CH224K/AL8860/eFuse/ESP32-C3-MINI-1U/SHT40/SK6812/comparator from JLCPCB

Dementor430
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claude
committed
7a88c3e
hw: PowerInput — USB-C + CH224K PD-9V + eFuse + gated 9V rail

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claude
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247367c
hw: VBUS TVS + low-cap ESD on CC/D+/D- + creepage notes

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claude
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a967197
hw: Rail3V3 — always-on 9V->3.3V buck for the MCU

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claude
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a400b0e
hw: Mcu — ESP32-C3-MINI-1U + decoupling + EN/boot + USB/I2C/GPIO breakout
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8d31323
hw: LedDriver — AL8860 buck CC, RC analog dim, keyed LED/NTC pigtail
Dementor430
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0d5b2ad
hw: OverTemp — fail-toward-hot NTC + comparator latch gating eFuse EN, MCU-readable latch state

Dementor430
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claude
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5ed0f1a
hw: fix OverTemp — push-pull TLV3012 window comparator + SN74LVC1G74 latch, correct polarity

Dementor430
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claude
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19eb9aa
hw: Sensing — SHT4x I2C temp/humidity + SK6812 RGB status LED

Dementor430
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claude
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e482ad5
docs: task-9 report — SK6812 voltage decision + build output

Dementor430
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claude
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6feb2f8
hw: top-level integration — button, test points, full control wiring, clean ERC

Dementor430
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committed
816ad65
hw: BOM + frozen CI build + KiCad netlist handoff

Dementor430
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claude
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7f26070
fix: finalize review — easyeda2kicad doc, repo hygiene, MCU/antenna BOM-lock

Dementor430
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claude
committed
2901722
port: migrate to atopile 0.15 — manifest + clear v0.2 source (minimal build green)

Dementor430
and
claude
committed
35cd29c
port: regenerate all 20 ICs as 0.15 atomic parts (ato create part)

Dementor430
and
claude
committed
eb8e4a7
port: PowerInput module to atopile 0.15 (builds green)

Dementor430
and
claude
committed
4832ea5
port: complete hardware port to atopile 0.15 — full board builds green

Dementor430
and
claude
committed
1287982

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Salt-lamp meeting reminder — v1 spec, STPA safety analysis, and atopile hardware board - #1

Salt-lamp meeting reminder — v1 spec, STPA safety analysis, and atopile hardware board#1
Dementor430 wants to merge 26 commits into
mainfrom
design/salt-lamp-reminder

Commits on Jun 28, 2026

Configure project

Add v1 design spec for salt-lamp meeting reminder

Revise spec: add temp/humidity sensor + closed-loop dryness; both calendar paths day-one

Add STPA safety analysis: hardware-personal, hardware-meetingroom, firmware

Fold post-STPA decisions into spec: over-temp ownership, open security, heartbeat, status LED

STPA iteration 5: post-decision delta (open bootloader, heartbeat, over-temp comparator, status LED)

Spec: fold iteration-5 delta-STPA board requirements (latch-state sense line, NTC pinout)

Add hardware implementation plan (atopile v0.2.x)

hw: scaffold buildable SaltLamp top module + ci target

hw: install USB-C/CH224K/AL8860/eFuse/ESP32-C3-MINI-1U/SHT40/SK6812/comparator from JLCPCB

hw: PowerInput — USB-C + CH224K PD-9V + eFuse + gated 9V rail

hw: VBUS TVS + low-cap ESD on CC/D+/D- + creepage notes

hw: Rail3V3 — always-on 9V->3.3V buck for the MCU

hw: Mcu — ESP32-C3-MINI-1U + decoupling + EN/boot + USB/I2C/GPIO breakout

hw: LedDriver — AL8860 buck CC, RC analog dim, keyed LED/NTC pigtail

hw: OverTemp — fail-toward-hot NTC + comparator latch gating eFuse EN, MCU-readable latch state

hw: fix OverTemp — push-pull TLV3012 window comparator + SN74LVC1G74 latch, correct polarity

hw: Sensing — SHT4x I2C temp/humidity + SK6812 RGB status LED

docs: task-9 report — SK6812 voltage decision + build output

hw: top-level integration — button, test points, full control wiring, clean ERC

hw: BOM + frozen CI build + KiCad netlist handoff

fix: finalize review — easyeda2kicad doc, repo hygiene, MCU/antenna BOM-lock

port: migrate to atopile 0.15 — manifest + clear v0.2 source (minimal build green)

port: regenerate all 20 ICs as 0.15 atomic parts (ato create part)

port: PowerInput module to atopile 0.15 (builds green)

port: complete hardware port to atopile 0.15 — full board builds green