Low Voltage Smart Doorbell Power Supply Guide

🔌 The Problem: Powering Smart Doorbells Reliably at Low Voltage
Smart doorbells are increasingly popular in Indian homes, but many models operate on 5V or 12V DC—requiring a stable, low-voltage power supply. If connected directly to the AC mains or unregulated DC, you risk damaging the circuit or causing erratic performance.
🛠️ The Solution: Use a Buck Converter or SMPS Module
To safely step down 230V AC to a usable low DC voltage, use a mini SMPS module or buck converter. These are compact, efficient, and easy to integrate into your doorbell housing or junction box. Look for ones with overload protection and thermal cutoff.
🧪 Practical Example
Say your smart doorbell needs 5V at 500mA. A 230V AC to 5V DC mini SMPS module is a perfect fit. Connect it across your AC wires, and the regulated 5V output can directly power the doorbell.
🔢 Sample Calculation
Power required = Voltage × Current
= 5V × 0.5A = 2.5W
Choose a 5V/1A SMPS to ensure headroom and avoid overheating.
🛒 Product Suggestion
Try our 5V mini SMPS modules or buck converters—Made in India and ideal for DIY projects.
👉 Shop now at SmartXProKits.in
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