[kayakdiver] is developing a SIP and PUFF controlled kayak, but in order to start you first need a SIP and PUFF switch. These devices allow the user to lightly sip or puff into a tube to control sw… ...

To solve the problem without sourcing a new switch, [Jean-Noel] built his own Arduino based Dahlander switch. This consists of three relays that select the wiring configuration for each speed mode.

Electronics enthusiasts or tattoo artists may be interested in a new touchless switch which has been created and implemented into a tattooing machine allowing the tattoo artist to use gestures to ...