![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhGmhDMfPtGIDYbCGgn89nFi2I169RanPEdqXUAKTinfggnskDxXRzlOCt4Ii82zr-cLOsW5jtbORajmjcfV-JISmz8wd14Vfb3r7E0iAF-9HRnzKQmrkB-zjD6pRoj5Rg0wKDGJDHHNg/s320/PQAAANYh-KF-xqQgOUXnP-CU7nUG03GS4HpnKzl_NJCyNPO5ulsYvh9jatgkqMmVJgysnuOdGRNbAo_c_HsviCEy2DMAm1T1UOP3cIT7W44bS-972crSVwnocuMZ.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgtJcxwQd5Zt9rTtKEczruAdDB8mwX5ur1-CDDu5WUdmQ4P6GXkPmkNZB-tmyAALIFnVaIKYkkyXNVbeIEKCRBr14P4-16d6um_XP_X1FxFviTpFO4xuuQ35fnLTNZ8DqHM0GJYWBJfVA/s320/PQAAANiAGqxeML-sijCbSCFUEdYFOyIrY_U7Cta_bU6eOpa_PkqMXbBHaWb3rPWZH03rmV33IsFy4WyTM517SvbndiwAm1T1ULsxhDpxgUb4wPiqUVsHmYYjopTw.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_mCXLUItHP-aHhzpaTFIIdUKCP6MttdrrWrK54UZq0qPPwmfW4AsGScdaPAEZ0fpr-sLabaX6Pa0fzzojJrq3I24hulT8dG6cFiF5r_uZgcJAhV7_RWviDRnc1oaaBny5B_s07oBgLg/s320/PQAAAKWdn3YCThvQb8j9Vit0N9SHD_Hml_ATwkV1fw4GxPRcfgs0hwtyUp4RiLPwYHMsW03bZNd8GZFFEUiPFKfkesUAm1T1UPmuLt7srXwk3gRnxauWiLfp9-ve.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_CQFrCveKMVJprix8g6mBLK51rncZbS3pq5pE9us1Bpe6eCpbkFYzFd_zmCZkUxB7H-Wk3vrddBeoSaAAJfdRDPweLiRhyK4gm021QNn9PJl7E5TD9Zr6Z-PurIIp1c-QLrtc7aFcBw/s320/PQAAAKe1jAS6GMlHCw0QZlrsndDNcMygMgrEhluz9SXHK_Knz4nr9oMwyuFBd_XpYaRTlikotnLGff9QYjf48u8jpJ0Am1T1UBHfNExP-EN7XfEIinXcPAG4YI0s.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1Q4zhmJRSx_RHXbrNf9Gcz1lZN5L9_KddYkDa7UfeEKvScdVGrIWNVWkqY7J9mVBK-Zv6KlT-kWkmQnfgVh9HFIHWHM6sHkvexuXH4Km-f9xkpQsTvJhyetlWcjIGWKYIh5ZHFp2G3Q/s320/PQAAAIO9F-35VkWw_aVwi_ILz7hXNmy98YXzaXtwBC90m4kXHz9L3rYo_AU-HDiULBgT-fjB5YVij23O_nHvmUSXoYkAm1T1UE6YA6u7xe8FaT8znKoo6F0RsZ0D.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGO_6eS5ltV5o4u1wq4vlBKobH3zFURI1_6h9Odq5NQZV7JjKX8mZKz8g67k3GvKNEVb32h4WCcKdT3GcnfMs7QXJy4ASHXpv8V4zMCrTO5OMAe7jzrcDVGxc9aNNX32-DxsVhP8rh6g/s320/PQAAAGKSPx3rW7QJJ_D9YE0Mp8KLXMbkSe35Ku1G3yHLmPuJmC6bttpzcPQY8Jr738NOtfU204mhKjse_P5hHKvOAaoAm1T1UB_KJZDzMOxCgCT-0Ry5NWods0Tq.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgh4xtx0u_yeEWxmuP6eJHCRlDzsqy9TMkP5rzhjwN2hnGB7VG3ymS1Bya2AvWgCiyC9ULkTid7JsT0EWm7ATpSv_oj1ULQ0WU0ItelJugHwAlS1E_Sus8dkJMivgBuQnotWeSl7uKVAg/s320/OgAAADZrBxzihSjCHD_w4wpWqoPkZPh_NmEfGQ0X4bwFzUZjht2A34hboI98YxW5TgX5aHNJz5_WdRwnSsoD_kh96g0Am1T1UCDhhRI9oh6Ykf8apKd94NBklUWB.jpg)
este circuito é usado para liberar uma fechadura elétrica de 12v. Para acionamento é feito através de uma combinação numerica pré-programada, possui ainda uma sequencia de chaves falsas que ao serem pressionadas acionam um alarme. Também possui um bloqueio de senha... caso a senha digitada não seja a correta o circuito trava e so é destravado digitando a sequencia correta...um botão de segurança libera a fechadura caso o teclado apresente algum problema....
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