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"Nian" with "Yu" (Fish in Chinese Spring Festival)

26th May 2010
We Chinese name the Eve before our new year's day "Chu Xi Ye", the family reunion, set on fireworks, fires in the open air or at yard to drive the monster "Nian" or stay together to talk and pray for a better new year. Today what I wanna share is our feas... Read >

Stepper motor is wonderful

26th May 2010
A given motor, how do you determine which wire corresponds to which coil? You need a multimeter. Yeah, that's what UIrobot can tell you. Is there a quick and tooless way to identify which two or three/four coils (damn 4 lead wire, 6 lead wire and 8 le... Read >