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Lotto Triangle
Activated carbon magnetic battery
Homopolar motor no 2.3gp
Tutor course on XOR gates and Boolean/Binary math
Useless Gizmo
Infrared detector
How to find transistor pinouts with multimeter
Auto AC/DC Selection circuit
Eddy current driven motor concept
ECC Circuit
Homopolar motor.3gp
Subtract by Adding
Calculating time constants for Capacitors
High voltage generator using 3 components
Home made ROM chip
Resistor-Less LED
Correct right angle construction formula