I've made a quick video showing the microswitches working with the arduino's internall pullups enabled, so you spare an external resistor:
A project log for Versatile Educational 2WD Robot
This is an affordable Open Source 2WD robot chassis that is 3D printable and can be used to teach robotics and interfacing sensors.
I've made a quick video showing the microswitches working with the arduino's internall pullups enabled, so you spare an external resistor:
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