Go-To Adjustable Voltage Regulator Power Supply Module Pack 4.2V-40V Input To 1.2V-37V Output Step Down Buck Converter Board Three Piece Kit With 1.5A Min 2.2A Typ Current Compact 3.5x2.1x1.7cm

Three-Piece LM317 Adjustable Buck Regulator Module Pack 4.2-40V In
✔️ 3x LM317 regulators, adjustable 1.2-37V out from 4.2-40V in

This compact three-board LM317 adjustable regulator kit lets you configure a variable power supply from a 4.2-40 V input to a 1.2-37 V output. It's ideal for hobby projects, robotics, and test benches.

✅ Input voltage range: 4.2-40 V
✅ Output voltage range: 1.2-37 V adjustable
✅ Output current: min 1.5 A, typ 2.2 A
✅ Size per board: 3.5 x 2.1 x 1.7 cm (approx)

💡 What is an LM317 adjustable regulator module used for in DIY power supplies? It’s handy for creating variable voltage sources for hobby projects.
- LM317 adjustable regulator module for DIY power supplies
- Handy for variable voltage supplies on bench rigs
- Heat and dropout considerations at higher current