--- product_id: 55989189 title: "LM2596 Buck Converter DC Voltage Regulator Adjustable Step-Down Power Module with LED Display Voltmeter DC to DC 4.0~40 to 1.3-37V" brand: "iduino" price: "€ 16.44" currency: EUR in_stock: true category: "Personal Computers" url: https://www.desertcart.pt/products/55989189-lm2596-buck-converter-dc-voltage-regulator-adjustable-step-down-power store_origin: PT region: Portugal --- # LM2596 Buck Converter DC Voltage Regulator Adjustable Step-Down Power Module with LED Display Voltmeter DC to DC 4.0~40 to 1.3-37V **Brand:** iduino **Price:** € 16.44 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** LM2596 Buck Converter DC Voltage Regulator Adjustable Step-Down Power Module with LED Display Voltmeter DC to DC 4.0~40 to 1.3-37V by iduino - **How much does it cost?** € 16.44 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/55989189-lm2596-buck-converter-dc-voltage-regulator-adjustable-step-down-power) ## Best For - iduino enthusiasts ## Why This Product - Trusted iduino brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description DC-DC adjustable power supply upgrade version LM2596 regulator module with a voltmeter display ● with a voltmeter display, the use of advanced microprocessors, voltmeter error ± 0.05V, range 0 ~ 40V. (Note: to ensure the accuracy of the voltmeter, please ensure that the input voltage of 4V or more) ● Touch the button to switch the measurement input or output voltage, and a light to indicate which voltage is being measured and save the settings, even if the power is turned on again ● The voltmeter can be turned off, when you do not need to touch the left button can be easily achieved ● With terminal blocks, no soldering iron can also be used easily, and keep the wire connection points Input voltage 4.0 ~ 40V (input voltage must be higher than the output voltage above 1.5v.) ● Adjustable output voltage range 1.25V ~ 37V continuously adjustable (input voltage must be higher than the output voltage 1.5V) ● Maximum output current up to 3A, normal and stable operating current at 2A ● 150KHz with the internal oscillation frequency, belonging to the second generation switching voltage regulator, low power consumption, high efficiency. ● With overheating protection and short circuit protection Specification: Input voltage range: 4~40V DC Adjustable output voltage range: 1.25~37V DC Output current: 2A(for stable operation) Max output current: 3A Volt meter range: 0 to 40V Volt meter accuracy: ±0.1V Internal oscillation frequency: 150KHz ## Features - Led digital voltmeter tube, adjustable dc voltage regulator, accurate adjustment for your multimeter. - Input voltage:4.0V-40V, output voltage:1.25V～37V, Voltage regulator range ± 2.5% - Switching frequency:150KHz,Conversion efficiency:92%(highest),Load regulation ±0.5% - Max Electric current:3A,Normal working Electric current:2A - 150KHz Internal oscillation frequency,Low power consumption, high efficiency ## Images ![LM2596 Buck Converter DC Voltage Regulator Adjustable Step-Down Power Module with LED Display Voltmeter DC to DC 4.0~40 to 1.3-37V - Image 1](https://images-na.ssl-images-amazon.com/images/I/51yztRiieXL.jpg) ![LM2596 Buck Converter DC Voltage Regulator Adjustable Step-Down Power Module with LED Display Voltmeter DC to DC 4.0~40 to 1.3-37V - Image 2](https://images-na.ssl-images-amazon.com/images/I/41ywzmMY2tL.jpg) ![LM2596 Buck Converter DC Voltage Regulator Adjustable Step-Down Power Module with LED Display Voltmeter DC to DC 4.0~40 to 1.3-37V - Image 3](https://images-na.ssl-images-amazon.com/images/I/51k5mLhiTEL.jpg) ![LM2596 Buck Converter DC Voltage Regulator Adjustable Step-Down Power Module with LED Display Voltmeter DC to DC 4.0~40 to 1.3-37V - Image 4](https://images-na.ssl-images-amazon.com/images/I/51DH5421K5L.jpg) ![LM2596 Buck Converter DC Voltage Regulator Adjustable Step-Down Power Module with LED Display Voltmeter DC to DC 4.0~40 to 1.3-37V - Image 5](https://images-na.ssl-images-amazon.com/images/I/51L5g0pt7iL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/55989189-lm2596-buck-converter-dc-voltage-regulator-adjustable-step-down-power](https://www.desertcart.pt/products/55989189-lm2596-buck-converter-dc-voltage-regulator-adjustable-step-down-power) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-23*