This is a multi-part message in MIME format. ------=_NextPart_000_00B7_01C5879D.81757160 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit > The sensor interface is relatively simple; basically just an amp and a > low pass filter. Try here too http://www.glolab.com/pirparts/infrared.html I've used the attached circuit with Murata sensors. Uses a few 10s of uA. Its V+ is a PIC pin ------=_NextPart_000_00B7_01C5879D.81757160 Content-Type: image/gif; name="pir.gif" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="pir.gif" R0lGODlhRQFrAIAAAAAAAP///ywAAAAARQFrAEAC/oyPqcvtD6OctNqLs968W+CFogOOZlhS6ckG a4u98FzJ5wrkRmmPPUm7BWPDVu64Q/CURdRxeYBGPw3kDpT6+RI2bdHbbILDsDGXzJBlcQupWfSK u6azd8bOPM/3/B7+8gc4FKhTplCoJEemBdX4EEiXR5RW6OiCqFfDsyYJ+RiZ9egpwaj2MxrJl4h6 tQWU2oZ5x3q38SYL25fZlod1SHnYVYMWQUtMZbj6tMzMXJt0/OkK0ShlFB1mjE29XcUNDc3W/X1l VR4lu4a3vIqueKlGcxpuzaE9jp+vvx90z/8PMKBAaQMLGjyIUJQ/J80aOnwIMaLEiRQrRgQFyqLG /o0cO3r86BFZQnv9MPqSJxLhQhQjvYE7mUulyV8eQoUCZ+SJO2fbVg70ye8P0Ak3yUmK9s6XuJwN Mb4E6dBlMHM7eep6CjWr1oeiesW80bSbnz1Kr75K2cGPlbKbGA26hhPQvVOm0shdezTvrLjPji6V aqueCp1s+aoaRirWULtV6jI2StMwHFzJJINdfFYQlaJOO8WNB2wwWm9u9Nak3FKhiXfHMPfltRTm 4YA42JlCBJNqMdtTbbqLPDnsnNJfR+Pz5zpt8p4osS1PDT26dF7Tq1u/bo8r9u1wqHP/zhJ85pLA 4apo+Ryx+Mc5Z75VL/Nf+nyLi5Z9n3jkfKLS/jnX259WKoLdElVnXAAIYDHV/SVbcQAxOJtl5yVh 3xemJWjaehhmMwlt5Ulo4XrsiSgUfYmMCCJ+5SzBDlLe5SeQMBPO2JpOMemGFRpx4CWYEAp++CKN UxBnmBkyElRZHUThhpqS+tDVSpQgQjIPWT1KZhMnnO1iXnAZLlnGGE2SdyAShUUI5I/hRVZYboAl OQ0hQKkVTJDwwTjNay0aF6AgLA4nYIgRjplnnQe+yV+gdsZA6J3AgWEMjpNYciSf3mFSm5mK/QYP bl9eYuiiUwFWX3p/1ZEgKp5saZZlp7J2aKxpiopTqSnW9KkPVzrZYaKsCnqirA6iSGynC+16/h2y H9iIphjHQfmaS0TWJ2KufbooX1de0Wqiojc59iupL/FVCSwYqiWppcxRgteQ1h7nV7PDETbsLg2e wdtnzW1bIa7ZdlfQhs7y2tqDWx2McMIKL8xwwxRVC3HE0AksccUWQ3Zxxhpju3HHHvdj1ccij0xy ySafjLIhclCcMgssi9EoSyujake6Br/MZcQ4E4znQTu/y51rmd7qr5AG/Vzvd9RWqOy1iSaENNFB 75slsGrGF5TGmDEtL8BPY71P1IO1pQNo+lVC76zjtYOoik8my2/SHtJhzVzuUth1e1kv2EmlYHPC 7YxuSk0SOmpbjZ69s4n9Jht+K9aMZ5vI/l34jWJdzHihPe994eUWZ+610TqiZjbQPOsscYnwXk05 nKi/LjoxK5ee0X6g+wix6s4FWS5N4cLp26nOzkxKzC4Sv1vNxi/SmO+tFz0uFsx2SRq+qvFJ6OOw WU/C8owKbWws4Tzv9GGDu75ar3f3e3j5LrtNjcCwykattPhO3z6K+ZLV9jnm+18szb2PUbILm10m J6WuUUkqZXPViJjUqpzhbk2/G1vklNO83TkPUOfrH8Zs8Zg2RdB0lXMCCYW1mnUg6BWU+uDmQHgp /gEKS5qZnTmGwr7u7StYPCRfCQVotFHMyU9SwhThNOE4/CXwdEsEVf48CEXRHFF/GohU/gVZiLcO 5q17D/vMfKDVwxPG6ytW3OILx7g2AtKihWhaYM96N7DQhFGMLxoLBkNXRxcui2OaURAuzAbIVgFO Qn+kC1SUwTBdQQSRDlshDB9pIHltSXhzbJKRMmOrOJrxjgWMFpjIZS72lK4UoXqiW3womuVQ0mX3 gl/sPsEqdTCJbAOSYBNJ9zXnXLE/u0yhJ+PXLuaJD4VTjNrtoJe+OZLpXL9Ekg7TqJxjBuZYttRk jXbTR25Mi5XeS40Sk8lHsQinisBs4PiYCJ6VaEeYnJNW2gL3FBkmaU/w2EnfVEiVG+aTU3TUz4OA oIi6HS1etJthLwNV0JNM8prQVJcGfakTm1X+q1aSlOFBKeoWS/yPiQqNJDknykAmwOqf3rqbKoh0 tdL4Z1z9DOI7m/bKda0pRqnbYSbMaTeQuk+nGrKpjkh6GtDZDDtD3SnMWobUpBJTqUw1mTSbClVr RnWqHXsqVa86QaxqtaZb7SrsvArWsIp1rGQtq1k3UAAAADs= ------=_NextPart_000_00B7_01C5879D.81757160 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist ------=_NextPart_000_00B7_01C5879D.81757160--