{"id":3259,"date":"2020-08-05T23:19:18","date_gmt":"2020-08-05T21:19:18","guid":{"rendered":"http:\/\/entropie.org\/3615\/?p=3259"},"modified":"2021-03-02T01:54:38","modified_gmt":"2021-03-02T00:54:38","slug":"le-clavier-du-minitel-1b","status":"publish","type":"post","link":"https:\/\/entropie.org\/3615\/index.php\/2020\/08\/05\/le-clavier-du-minitel-1b\/","title":{"rendered":"Le clavier du Minitel 1B (Alcatel Telic)"},"content":{"rendered":"

\"\"<\/a><\/p>\n

Pour acc\u00e9der \u00e0 l’int\u00e9rieur du clavier, j’ai coup\u00e9 au cuter les morceaux de plastique sertis :
\n\"\"<\/a><\/p>\n

\"\"<\/a><\/p>\n

Une fois qu’on a appuy\u00e9 sur une touche, le retour de celle-ci \u00e0 sa position initiale se fait gr\u00e2ce \u00e0 un aimant en forme de rondelle :
\n\"\"<\/a><\/p>\n

\"\"<\/a><\/p>\n

Le mapping du clavier (fait par MortalKastor) :
\n\"\"<\/a><\/p>\n

Le c\u00e2blage sur la carte m\u00e8re :
\nComposants : Texas Instruments SN74LS156N<\/a> \/ MHS Intel P8052AH<\/a>
\nLe 74LS156 permet de faire un d\u00e9codeur 3 vers 8.
\n\"\"<\/a><\/p>\n

Correspondance entre les rep\u00e8res sur la nappe (0..F) et ceux sur le connecteur (1..17), ce qui permet de d\u00e9terminer les lignes et colonnes de la matrice du clavier :
\n\"\"<\/a><\/p>\n

On en d\u00e9duit la matrice du clavier du Minitel 1B :
\n\"\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Pour acc\u00e9der \u00e0 l’int\u00e9rieur du clavier, j’ai coup\u00e9 au cuter les morceaux de plastique sertis : Une fois qu’on a appuy\u00e9 sur une touche, le retour de celle-ci \u00e0 sa position initiale se fait gr\u00e2ce \u00e0 un aimant en forme de rondelle : Le mapping du clavier (fait par MortalKastor) : Le c\u00e2blage sur la … Continuer la lecture de « Le clavier du Minitel 1B (Alcatel Telic) »<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-3259","post","type-post","status-publish","format-standard","hentry","category-minitel"],"_links":{"self":[{"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/posts\/3259"}],"collection":[{"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/comments?post=3259"}],"version-history":[{"count":28,"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/posts\/3259\/revisions"}],"predecessor-version":[{"id":3746,"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/posts\/3259\/revisions\/3746"}],"wp:attachment":[{"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/media?parent=3259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/categories?post=3259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/tags?post=3259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}