Cheap And Discounts 5PCS/Lot LM2596 LM2596S DC-DC 3A Adjustable buck module LM2596 Voltage regulator 24V to 12V 5V 3V Wholesale. Buy Directly From Merchant HG Technology Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.