In other words, now that I looked at the Instructable, I think your module is actually what I've chopped out from there into this pic. (Although the resistor could be either a pull up or pull down: you'll need to figure that out.)
In other words, now that I looked at the Instructable, I think your module is actually what I've chopped out from there into this pic. (Although the resistor could be either a pull up or pull down: you'll need to figure that out.)