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12V LED boost module

Run 12V LED strip or COBs from a 4V li-ion cell

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Microcontroller boost converter.

LED driver ICs are not terribly expensive but this a very simple way to implement voltage boost from a 1S li-ion cell.
Any inductor can be used, but frequency should be optimized for that specific inductor.
ADC will monitor the LED voltage in case of LED failure or disconnection.

Rev1 working.
Rev2 improvements not implemented.
  • 1 × STM32F030 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
  • 1 × 10uH inductor
  • 1 × ALS-PT19-315C/L177/TR8 Ambient light sensor
  • 1 × DSK24 Schottky 2A, 40V
  • 1 × MCP1700T-3002 3.0V LDO regulator, low Iq

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