The motors arrived today. Yesterday I bought some more rechargeable batteries and charged them overnight. I had a few things to do today, so only time to take a look at the datasheet for the L293D motor driver. It would work with low voltage motors, so I needn't have waited. The L293D will drive two motors. It has a two voltage supplies, one for its control circuits and one to drive the motors. It can supply over 1A to each motor, which is fine for some tests.
One thing I am short of is a decent power supply. Batteries are great for remote stuff but while testing things on breadboard a decent power supply is very useful. I might find one locally, buying from T'Internet just before Christmas can lead to delays.
I'll try to knock up a breadboard circuit to drive a motor in different ways next.
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