This colorful little DIP switch dongle from [Glen Aikins] makes for a fun alternative solution. Do want. The build is simple, relying on a rainbow-colored 8-pin DIP switch as the core of the project.

[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… ...