Two AMS1117 regulator boards at an angle, black with gold edges: the 3.3 V board in front with its chip, four small capacitors and three holes labelled GND, OUT and VIN, and the adjustable board behind it with the same layout and no LED.

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AMS1117 LDO Regulator Kit, 24 Boards (18 × 3.3 V, 6 × Adjustable)

Eighteen fixed 3.3 V boards and six adjustable ones that turn a higher supply into a steady lower voltage. What to feed them, which pin is which, how much current before heat stops them, and how to set the adjustable board.

Boards: 18 + 63.3 V + ADJ
Input for 3.3 V: 4.4–12V
Heat it can shed: 0.8W

Start here · 01 Too many volts for a 3.3 V part The reference

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The whole handbook11 articles · 50 min DatasheetPDF · datasheet.lcsc.com Pinout and specsThe pin table, and the questions people ask first

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AMS1117 LDO Regulator Kit, 24 Boards (18 × 3.3 V, 6 × Adjustable)

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AMS1117 LDO Regulator Kit, 24 Boards (18 × 3.3 V, 6 × Adjustable)

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