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TMP102 digital temperature sensor breakout boards: www.sparkfun.com/commerce/product_info.php?products_id=9418
The Sparkfun keypad pcb's have a weird mounting hole pattern, probably based around the 2x2 silicone button pad. Due to the design & dimensions of the Machinecollective.org enclosure (based on the design of our protomodules) you'll have to reduce the size of the keypad pcb. Some of the options are cutting, filing, grinding or biting, make sure you don't hurt yourself.. ;-)