Old Pueblo Engineering Center
Founded 2006 in Tucson, AZ. to explore Human/Robot Interactivity
“Drilling Brains for a New & Better Use of Technology”
Patents Pending


Ready-2-Play Robotics
5t4nd1ng @ th3 3dg3 0f 5p3ct4t10n!

Give a child a toy and they're happy for an hour.
Teach a child how to make their own toys, and they're happy for life!

Powering ON/OFF Low Current Devices with a BS170 FET

FET = Field Effect Transistor
LASER = Light Amplification by Stimulated Emission of Radiation Source: wiki

You don't have to use a small laser module, but this circuit can power many different low power low current devices ... even an LED.

BS170 Data Sheet