Introduction: How to Make a USB Flashlight From a Lighter / TUTORIAL
Step 1: To Do a USB Flashlight You Need!
Step 2: A Very Easy Way to Make Necessary Household Device – Flashlight.
Step 4: Insert Our Flashlight to the Computer USB Connector and You Can Work at Night!
Step 5: to Avoid Burning of LED You Should Select Nominal Appropriate Voltage for USB 4,5-5V, or Add to the Scheme Line-dropping Resistor With Resistance of 100 Ohm.
Step 6: Pleasant Viewing!
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