DC Power Supply Module, AMS1117 Multiple Output 12/5/3.3V R2 (stepdown)


DC-DC input 12V / output 5V and 3.3V


  • One input: DC 6V – 12V (input voltage must be higher than the output voltage to 1V or more.)
  • Triple Output:
    • 3.3V (+ – 0.05v error)
    • 5.0V (+ – 0.05v error)
    • 12V (12V input directly to output)
  • About AMS1117 – peak current ~1A, need heatsink if long time use on high current
  • Specially designed two pin mounting holes, can be directly fixed to the tunnel plate to extend the experiment
  • Using multiple input and output pin, easy to use and connect. One side 12V,5V,3.3V, one side Gound.
  • PCB board size: 4.5cm * 4.5cm
  • With power indicator light (red), has power on/off switch

R2 Version:

  • Add 0R resistor to disconnect from AMS1117-5V
  • Add selectable jumper from pin out to 3.3V directly or 5V.
  • ON/OFF Switch only control ON/OFF of DC 5.5mm barrel jack, not pin VIN.
  • To use our this kind of breakout board, remove 0R resisitor and set jumper to 3.3V output.
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