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COOKBOOK	Connect a DC Motor to a Poly Block How to connect a DC Motor to a Poly Block:

Most microprocessor based interface boards have very low current outputs - usually enough to drive LEDs or other digital parts. Most of the MakingThings boards have high current outputs so that devices that draw much more current can be controlled.

There are two such high current outputs on the Poly Block, each of which can be connected to a motor, valve, or something else that draws up to 2A. Connecting motors to the Poly Block is very simple. One end of the motor connects to the V+ line. This is the power that the Block is powered by. The other end of the motor is connected to the S0 or S1 output.

Frequently, the voltage the motor requires is different from the V+ supply you have connected to the Block. In this case you would use an external power supply.

In this case, the power supply's Ground or "-" side connects to the block's 0V connector. This creates a common ground. Then the positive (+) side of the power supply is connected to the motor.

Lights, solenoids, relays etc.can all be controlled in this way.

If you make something motorized based on this note, please post any questions, comments and/or pictures to our mailing list.