Seán Walsh

Instructables

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  Converting a 3x AAA Battery LED Light to Li-ion

  2 1.0K
• 

  Converting a 230V AC Bulb to USB Power!

  41 5.0K
• 

  DIY High Efficiency 5V Output Buck Converter!

  14 8.6K
• 

  DIY Adjustable Bench Power Supply Build

  42 4.0K
• 

  Cheap Amplifier Build

  16 1.1K
• 

  Nalbinding Needle

  51 13K