🔋⚡ 10.5V DC Power Supply (Center‑Positive)

This adapter converts 120V or 240V AC mains power into regulated 10.5V DC output.
 
🔧 Adapter Form
AC plug → DC barrel jack
Fixed-voltage output: 10.5V DC
Available in 200mA current ratings
 
🧠 Signal Format
⚡ Input: 100–240V AC (50/60Hz)
🔋 Output: 10.5V DC, regulated
🔌 Connector types: Barrel jack
🔁 No data transmission—pure power supply
 
⚠️ Things to Watch Out For
📉 Underrated adapters may cause brownouts or device resets
🔥 Overcurrent can damage sensitive electronics—match amperage carefully
🧯 Barrel jack polarity must match device (These are center-positive)
🌀 Cheap adapters may introduce ripple or noise into circuits
 
🛠️ Quick Tips for Beginners
🧭 Always check voltage and current ratings before plugging in
🧵 Keep spare adapters for prototyping and quick swaps