Jeremie Boulianne of Calgary came with a unique way to build a linear actuator: [via]
Linear actuation is an elusive and expensive field to get into but I always seem to find a need for it with robots I build. Whether it being to raise a turret or dispense a marker a linear actuator would be so handy.
My proof-of-concept solution (hack) was to create a linear actuator design that is accessible to even electronics enthusiasts on the tightest budget
Deodorant-stick linear actuator – [Link]










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