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LAB-004: Hook up 600W solar array to cabin power system #529

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opened 2026-04-07 00:26:09 +00:00 by Timmy · 0 comments
Timmy commented 2026-04-07 00:26:09 +00:00
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Scope

Deploy the existing 4x 150W solar panels to provide reliable DC/AC power for the cabin compute lab. System must safely power laptops, desktop, and battery charging. Bitcoin miners are explicitly out of scope for base load.

Tasks

  • Verify panel specs and wire two pairs in series, then parallel (36V to controller)
  • Purchase MPPT charge controller (30A minimum)
  • Purchase 1000W pure sine wave inverter
  • Purchase wiring, fuses, and breaker/switch gear
  • Wire all 4 car batteries in parallel (12V bank)
  • Mount or secure panels in optimal sun position (clear of snow/shade if possible)
  • Run 12-gauge extension cord from inverter to desk and coffee table zones
  • Power on and test with a single laptop first

Acceptance Criteria

  • Charge controller shows panels producing power during daylight
  • Inverter delivers clean 120V AC that powers a laptop without issue
  • At least one permanent AC outlet available at desk
  • Total cost stays under $500
  • System runs for 48 hours without failure or overheating
  • Photo of wiring diagram and installed system uploaded

Budget

$200-500

## Scope Deploy the existing 4x 150W solar panels to provide reliable DC/AC power for the cabin compute lab. System must safely power laptops, desktop, and battery charging. Bitcoin miners are explicitly out of scope for base load. ## Tasks - [ ] Verify panel specs and wire two pairs in series, then parallel (36V to controller) - [ ] Purchase MPPT charge controller (30A minimum) - [ ] Purchase 1000W pure sine wave inverter - [ ] Purchase wiring, fuses, and breaker/switch gear - [ ] Wire all 4 car batteries in parallel (12V bank) - [ ] Mount or secure panels in optimal sun position (clear of snow/shade if possible) - [ ] Run 12-gauge extension cord from inverter to desk and coffee table zones - [ ] Power on and test with a single laptop first ## Acceptance Criteria - [ ] Charge controller shows panels producing power during daylight - [ ] Inverter delivers clean 120V AC that powers a laptop without issue - [ ] At least one permanent AC outlet available at desk - [ ] Total cost stays under $500 - [ ] System runs for 48 hours without failure or overheating - [ ] Photo of wiring diagram and installed system uploaded ## Budget $200-500
Rockachopa was assigned by Timmy 2026-04-07 00:26:09 +00:00
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Reference: Timmy_Foundation/timmy-home#529
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