Optical smoke sensor Piezo buzzer - cleaned Some sort of flower Some sort of flower Pogo-pin adapter PCB Set of holes Pogo-pin adapter with assembly jig Wooden assembly jig Assembly jig Wooden assembly jig Assembly jig Trying to get good pin alignment Using the jig to assemble the pogo-pin adapter AVR ISP pogo-pin programming adapter AVR ISP pogo-pin programming adapter There's a tiny spring inside! These things are delicate A tiny spring AVR ISP pogo-pin programming adapter Pogo-pin programming adapter at work AVR ISP pogo-pin programming adapter AVR ISP pogo-pin programming adapter AVR ISP pogo-pin programming adapter Optical smoke sensor Smoke detector - PCB Smoke detector - PCB Piezo buzzer - oxidized Smoke detector / alarm Smoke detector - weak buzzer Jig with pogo-pins Acrylic Jig Baked ham You can't see me Fake Fungus as cover One of Five Two of Five Looks decent, but does it work? Where do I get an X-ray machine? Adding the magic goop Too much 'glue' ? Application of 'glue' Yes... it is TINY! Must... get... OUT! All 5 waiting for food Two out of Five