Tiny 0.5 Inch OLED Digital Voltmeter

Now available from PMD Way is this tiny, innovative mini OLED Voltmeter - which we believe to be the smallest available. With free delivery! Upgrade your voltage monitoring with this brand new 0.5-inch ultra-compact OLED digital voltmeter. Designed for space-limited projects, it’s smaller than your finger and replaces traditional bulky digital tubes with modern OLED technology. Key Features: ✅ The Smallest Ever Design Ultra-thin version: 15×18×3.2mm Regular version: 15×18×4.2mm Tiny body fits almost anywhere – ideal for cars, motorcycles, DIY electronics, and small devices. Use the options menu to select between the regular and ultra-thin version. ✅ Innovative OLED Display 0.5-inch high-brightness white OLED screen 3-digit display with automatic decimal point shift Clear and easy to read, much better than old LED digital displays ✅ High Precision Measurement High accuracy: 0.08% Measurement error: ±0.7% Wide measuring range: DC 0–30V Working voltage: DC 3.5–30V Working current: <20mA Refresh rate: 5Hz (default) / 10Hz (short B) ✅ 2-Wire & 3-Wire Connection Modes 2-wire mode: Power and measurement share the same input (3.5–30V) 3-wire mode: Independent power supply, supports 0–30V full range measurement ✅ Specifications Display: 0.5 inch OLED white 3-digit Measure range: DC 0–30V Supply voltage: 3.5–30V Accuracy: 0.08% Size: 15×18×3.2mm / 15×18×4.2mm Connection: 2-wire / 3-wire Dimensions: You can snap off the positioning hole tabs with a pair of pliers, etc: Using the displays: Function Configuration: Notice the small PCB pads labeled "A" and "B": Short A: Turn off “V” symbol display Short B: Switch refresh rate from 5Hz to 10Hz Don't forget to check out our full range of display products if this doesn't meet your needs. And as always, all orders receive free delivery. And remember ... if you: can't find what you need not sure what to order want a bulk deal need technical support or just want to have a talk ... Please email us via support@pmdway.com. To keep up to date with new products, news, tutorials and more - we're on x, Facebook, Instagram, threads, reddit, and instructables.