[Cialug] Raspberry Pi 3

[Jeffrey Ollie]

On Mon, Feb 29, 2016 at 7:53 PM, Zachary Kotlarek <zach at kotlarek.com> wrote:

>
> If you’re confident you garage door will never put out something harmful
> on the signaling line you can interface it using a fairly simple
> transistor-based circuit. But you shouldn’t. Those 3.3v electronics are
> sensitive and a relay that will protect you is cheap. You can get
> solid-state relays that will trigger directly on logical-level outputs from
> the Pi and get both simple circuit design/construction and lots of
> isolation.
>

This is the relay I'm using:

http://smile.amazon.com/dp/B0057OC6D8

-- 
Jeff Ollie