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The Mini 0.28-inch Red LED Digital Voltmeter is a compact and reliable voltage measurement display suitable for various DC power applications.
With its bright red LED digits, it provides clear and easy-to-read voltage readings even in low-light conditions.
This module is available in 2-wire or 3-wire versions, allowing flexible connection options for accurate voltage monitoring in battery systems, power supplies, RC models, and DIY electronics projects.
⚙️ Features
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🔴 Bright 0.28″ red LED display for clear voltage reading
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⚡ Measures DC voltage from 0V to 100V
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🔌 2-wire or 3-wire connection for flexible usage
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🧩 Compact design ideal for panel mounting
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🔋 Low power consumption and high accuracy
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🚀 Plug-and-play with no calibration needed
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💡 Perfect for DIY power supplies, battery monitoring, and automotive applications
📋 Specifications
| Parameter | Value |
|---|---|
| Display Type | 0.28″ Red LED |
| Voltage Range | DC 0–100V |
| Connection Type | 2-wire / 3-wire |
| Power Supply | DC 4.5–30V (3-wire) / self-powered (2-wire) |
| Display Color | Red |
| Refresh Rate | ~200ms (5 readings per second) |
| Measurement Accuracy | ±1% |
| Working Current | < 20mA |
| Operating Temperature | -10°C to +65°C |
| Dimensions | 30mm × 12mm × 9mm (approx.) |
