OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Confused by OpenSprinkler Pi (OSPi) on product page › Reply To: Confused by OpenSprinkler Pi (OSPi) on product page
RPi 1 is the oldest version of RPi that has a different form factor with the subsequent RPis. As a result, the enclosure does not fit RPi 1, but you can still use it with OSPi, just the enclosure won’t close. All current versions of RPi can fit in the enclosure. I don’t know why the surprise.