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PCB Heater (Diy Joule heating)
Space heater controlled by digital thermostat
DIY, Under-the-Bench-Mounted Soldering Station
Cheap variable power supply LM317 under 10$
Light controlled voltage source
Make a Pencil's Lead Potentiometer (Experimentations)
30 kVA Induction Heater
OMHVPS - One more high voltage power supply (0-1.5KV)
Build a Controllable Coffee Roaster from an Air Popcorn Popper
Posted:Apr 19, 2013
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