LED
LCD
LM2596 DC-DC Step-Down Buck Converter Module with LED Voltmeter Display
80.00 EGP
A high-efficiency step-down voltage regulator featuring an integrated LED voltmeter. Easily lower input voltages up to 40V to a stable output, with real-time voltage monitoring on the built-in digital display. No multimeter required for calibration!
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Product Overview
This upgraded version of the standard LM2596 module includes a 3-digit LED display that shows either the input or output voltage. It is the perfect power solution for hobbyists who want to monitor their battery levels or output stability at a glance. The module also features a button to toggle the display on/off or switch between reading the input and output voltage.
Arduino & Power Wiring
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IN+: Input Positive (4.5V to 40V) -
IN-: Input Negative (GND)
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OUT+: Output Positive (1.25V to 37V)
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OUT-: Output Negative (GND)
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Left Button: Toggles the voltmeter display between Input (In LED lit) and Output (Out LED lit).
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Adjustment: Turn the blue potentiometer to set your target voltage.
Technical Specifications
| Feature | Specification |
| Input Voltage | 4.5V to 40V |
| Output Voltage | 1.25V to 37V (Adjustable) |
| Output Current | 2A (Continuous), 3A (Max with Heat Sink) |
| Voltmeter Accuracy | $\pm 0.1V$ |
| Voltmeter Range | 0V to 40V |
| Switching Frequency | 150 KHz |
| Efficiency | Up to 92% |
Key Features
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Self-Calibrating Voltmeter: High-accuracy display for convenient monitoring without extra tools.
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Power-Off Memory: The display remembers your last setting (Input or Output mode).
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Display Control: The voltmeter can be turned off to save power by holding the button.
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Over-Heat Protection: Automatic thermal shutdown and short-circuit protection.
Downloads & Resources
Shipping & Delivery Policy
At Protronix, we ensure your orders are delivered safely and efficiently through multiple reliable channels tailored to your needs.
Our Delivery Methods
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Egypt Post: Standard shipping to all governorates across Egypt via the National Postal Authority.
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Uber Scooter: Fast, same-day express delivery for local orders within supported urban areas.
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Store Pickup: You can skip the shipping fees by collecting your order directly from our main branch.
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