Plastic gear-box motors (also known as ‘TT’ motors) are an easy and low cost way to get your projects moving. They’re low cost, durable, and easy to use. The trade-off for those low cost hobby motors is that they don’t have any way of knowing their speed or location. Basically you send voltage in and get rotation out. Really expensive motors have encoders built in, and for these TT motors, we’ve now got some simple snap-on encoder wheels.
This TT Motor Encoder is solid, but thin, so it won’t make your robot bulky. It even comes in Adafruit black!
Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.