Youmile 5 Pcs LM317 DC-DC Converter 4.2-40 V Buck Step-Down Adjustable Voltage Regulator Circuit Board for Ardunio with 24 AWG Wire

• ✅【PARAMETER】Output adjustable voltage range: 1.2 ~ 37V; Working temperature: 55 ° C to + 150 ° C; Current output: 1.5a; Voltage input: 4.2 ~ 40 V
• ✅【ADJUSTMENT MODE】Firstly connect the input power correctly (between 40-4.5), then use a multimeter to monitor the output voltage and adjust the potentiometer (generally turn to boost voltage in advance, turn to decrease voltage in reverse).
• ✅【SIZE】35.6 x 16.8mm / 1.4 x 0.66inch (LxW)
• ✅【APPLICATION】The output voltage can be adjusted from 1.25v to 30V to power your mobile phone, MP3, MP4, PSP and many other devices. It is very simple and convenient.
• ✅【PACKAGE CONTENT】5 x LM317 DC-DC Converter, 1 x 19.6inch 24 AWG Wire

Description: Adjustable output voltage range: 1.2 ~ 37V Operating temperature: -55 ° C to +150 ° C Current output: 1.5A Voltage Input: 4.2 ~ 40 V Operating temperature: 0 ° C ~ 125 ° C Characteristic frequency: 100 (MHz) Module size: 35mm x 17mm / 1.37 x 0.67" Package Included: 5 x LM317 Voltage Regulator 1 x 19.6" 24AWG Wire