This is a multi-part message in MIME format. ------=_NextPart_000_0150_01C8291C.40003E40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit > Thanks for the ideas. I was hoping for a one part solution 10F or 12F PIC ? Possibly a 4001. Two gates as a re-triggerable monostable, two gates for a flip-flop, and some glue ------=_NextPart_000_0150_01C8291C.40003E40 Content-Type: image/gif; name="NOR_watchdog.gif" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="NOR_watchdog.gif" R0lGODlhbQGDAIAAAAAAAP///ywAAAAAbQGDAEAC/oyPqcvtD6OctNqLs968+w+G4gOU44mm6sq2 7ssA8EwnpXnJnz7x6l0LjnzCotFB3CRJOZbviYAepBmddRrgaUPLo/fYjYGd0TL2bKB+m+v2mIKj xX/mdD17D1v0C35e0cXnZyM06LYy15B4uGaIBqHGhFThaLfDWOi4iInIyVgJ6bkDKrIpCnfaRpr6 c+MKFGHaw0pba3uLR5n4ytvra/mIKzzccjXli5yszCshS/wMHa2xKl1tfe1CjY1xJUPkHYwHbiwO DAxut7UV/L0tre0eLz8fS29/j5+vv8/f7y/3D9G3ZQQLvmoGL2CRhArpXNI10CAyc7mEaYkDiyIH /oYNUVRShlAJmUdqSkLj2HEIKiMoJZkzSVKRxJClYiSjydJiB2c5WrJ5+SemB1IZ0/SKMnMSRBsS XVFKiYRnQJCxfEK6WbUKCKu1pPbcx3VeWLFv3I2Nd9YfqFVEvUJ926pokLVw69oldDev3hlp6WE8 B/Qn3j5PK5LbW6MvYr5yNVZcDBCy5MlVmFG+jDmz5s2c9SpWeweGnsadRZcOtedhs9PZWNdUPcvw 1sGYP2dGSRSw0tiPJduuzWWlYHzo1GFBF9z17HqEZbb8DDOwdJGy1/Wepny58EIjp0e/fuv35Y9l U3w/vzFqX7rOT2tzq0S896DTsfMeKkbR9sQ6/re+l6+fUPOFo1Vh1tFHIHihMXegeXntAuB26AmY noEERrJbfis1uKB9dW0CX0fkddfcaqnBplZCIWITiHqquFghfvmsOE2E/PmmnTw20sbiZDsO02J7 Mprlo2sjDqfeQZ40xWSTTj75pHK5yZYhaglmh2UxJ3JInYJZQoahafd9SaZq1HA0Go1lrvnCj2y+ WR6cchI5Z53EAdcNIUqeUVx1gOFQHHKBLhimnTyOV0dGGB5ogjdWAMpnoBc91k6HhgJyaabWuKlp p5VN5GmoqZAmaqmmnopqqqquymqrnIHqaqytZelUYlTJGmB2nF55DK6HSsmWmiVaKeuudDpG/myX JsZqrF0+sWcUV1yCqeqzqVW606/UpvrctdpmAd+jXiLW7IcoEkuqpS6W21W1OTJ3opzsvmXtskje A2k6kb6Gqia5ypStQLVGW5RlBGtFjqC8cuOuvcdg9e4JEw74aaPHoVFvv4UtROLElA6p6BwZnwot d51Q6HF/Go95o0MUf7zwqA073LKDKCOo4q0uVwWxe1+1KZ7H3xUYlUfxAvwFlD3bXJlHNgqNoIfJ Bozpvy6ZHN4oO3EKNYVSwwt2EkFqSLOYoy7dNBzldl3f1+iasijZw4Yt7L1LGsxFGHXvzPa4G8+C rdeN8ZRb4EaHt7fa4IrSd6F2T2I4zFdd/r1a5OB2++Ckn4i85+UFd64s3WP7rS6y/6ZL+n4iCjIv JyUfLvfUshOtkJqJ+8Uy7HNXmTvt/Nze6+9W97H25G4f79d6rTONFNpg6Bwj1cnLsXxy2w6pY5zX VI8JmqhXsyv30pNL2RLL8LuN+Ieov/7wgKCZPY6s+ev79kXO/7fqm96Pv4RSQcs+X6XPW+r6XmgC KMD9PcVyDFscAhP4jr8ZsCfIgeAAY7YzsFmwM6CLjAY3yEEMvg9+JHggCNslwm/1AHonXFkLX/g4 GMrQfTOsYdVsiEMV5nCGJtzhq26TKIwM7GgF3FK+VtXDRuSiguUQ0DqAAIsoLs4oSxSiTOQSxa3N 5Kkdh7mYoKBIEePoa4xX7E0S8aXF4D3xQhijYsL85MCLTdF0dNTUGUvDwNRd6o4+5F8fc8jHPy4m kIIspCEPichEKrKGBQAAOw== ------=_NextPart_000_0150_01C8291C.40003E40 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist ------=_NextPart_000_0150_01C8291C.40003E40--