豪婿韩三千

October 23, 2011

October 17, 2011

Ball Bushing

3/8" (Amazon)

for use with:
3/8" D(iameter), 48" L(ength) rod (Grainger)


1/4" (Amazon)

1/4" (Grainger)

for use with:
1/4" D, 48" L rod (Grainger)

October 14, 2011

Bipolar Stepper Circuit

Bipolar Stepper Motor
Arduino
Dual H-Bridge

add: 2x 1kΩ Resistor
2x 10kΩ
2x NPN Transistor

Dual H-Bridge: L293DNE

An H-Bridge is an integrated circuit chip that allows electricity to pass across an element in either direction (+V ? Ground). It is made of four switches, either solid state or mechanical.

L293DNE: 4-Channel Motor Driver 16-Pin Plastic Dip Tube (Jameco)
豪婿韩三千,重生大科学家,重生农家乐
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