![\"\"](\"http:\/\/rcl-radio.ru\/wp-content\/uploads\/2020\/05\/\u0421\u043d\u0438\u043c\u043e\u043a-\u044d\u043a\u0440\u0430\u043d\u0430-\u043e\u0442-2020-05-22-220049.png\")
<\/a><\/p>\n\u0425\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438:<\/p>\n
- \n
- \u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0432\u044b\u0432\u043e\u0434\u043e\u0432 I\/O: 8<\/li>\n
- \u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0432\u044b\u0432\u043e\u0434\u043e\u0432 \u043f\u0440\u0435\u0440\u044b\u0432\u0430\u043d\u0438\u044f: 1 (\u0441 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u043c \u0441\u0442\u043e\u043a\u043e\u043c)<\/li>\n
- \u041d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 \u043f\u0438\u0442\u0430\u043d\u0438\u044f: 3.3 — 5.5 \u0412<\/li>\n
- Max \u0442\u043e\u043a \u0432\u044b\u0432\u043e\u0434\u0430 \u043f\u0440\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0438 HIGH: 300 \u043c\u043a\u0410<\/li>\n
- Max \u0442\u043e\u043a \u0432\u044b\u0432\u043e\u0434\u0430 \u043f\u0440\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0438 LOW: 25 \u043c\u0410<\/li>\n
- \u0422\u043e\u043a \u043f\u043e\u043a\u043e\u044f:\u00a0< 10 \u043c\u043a\u0410<\/li>\n
- \u0418\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441: I2C (100 \u043a\u0413\u0446)<\/li>\n
- I2C \u0430\u0434\u0440\u0435\u0441: 8 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432<\/li>\n<\/ul>\n
\u041d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0432\u044b\u0432\u043e\u0434\u043e\u0432:<\/p>\n
- \n
- VCC \u2014\u00a0 5V.<\/li>\n
- GND \u2014\u00a0 GND.<\/li>\n
- P0..P7 \u2014 \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0435 \u0432\u044b\u0445\u043e\u0434\u044b\/\u0432\u0445\u043e\u0434\u044b<\/li>\n
- SDA \u2014\u00a0 I2C\u00a0 \u04104.<\/li>\n
- SCL \u2014 I2C\u00a0 \u04105.<\/li>\n
- \u04100, \u04101, \u04102 \u2014 \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0430\u0434\u0440\u0435\u0441\u0430 \u0443\u0441\u0442-\u0432\u0430<\/li>\n
- INT \u2014 \u041f\u0440\u0435\u0440\u044b\u0432\u0430\u043d\u0438\u0435 \u0438\u043d\u0432\u0435\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0441\u0438\u0433\u043d\u0430\u043b. \u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0435\u0433\u043e \u0434\u043b\u044f \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u043d\u0430 \u043e\u0434\u043d\u043e\u043c \u0438\u0437 \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u0432\u0445\u043e\u0434\u043e\u0432.<\/li>\n<\/ul>\n<\/div>\n
\u0412\u044b\u0431\u043e\u0440 \u0430\u0434\u0440\u0435\u0441\u0430<\/p>\n
\n\n
\n A0<\/strong><\/td>\n A1<\/strong><\/td>\n A2<\/strong><\/td>\n \u0430\u0434\u0440\u0435\u0441<\/strong><\/td>\n<\/tr>\n \n —<\/strong><\/td>\n —<\/strong><\/td>\n —<\/strong><\/td>\n 0x20<\/strong><\/td>\n<\/tr>\n \n +<\/strong><\/td>\n —<\/strong><\/td>\n —<\/strong><\/td>\n 0x21<\/strong><\/td>\n<\/tr>\n \n —<\/strong><\/td>\n +<\/strong><\/td>\n —<\/strong><\/td>\n 0x22<\/strong><\/td>\n<\/tr>\n \n +<\/strong><\/td>\n +<\/strong><\/td>\n —<\/strong><\/td>\n 0x23<\/strong><\/td>\n<\/tr>\n \n —<\/strong><\/td>\n —<\/strong><\/td>\n +<\/strong><\/td>\n 0x24<\/strong><\/td>\n<\/tr>\n \n +<\/strong><\/td>\n —<\/strong><\/td>\n +<\/strong><\/td>\n 0x25<\/strong><\/td>\n<\/tr>\n \n —<\/strong><\/td>\n +<\/strong><\/td>\n +<\/strong><\/td>\n 0x26<\/strong><\/td>\n<\/tr>\n \n +<\/strong><\/td>\n +<\/strong><\/td>\n +<\/strong><\/td>\n 0x27<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u0427\u0442\u0435\u043d\u0438\u0435 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f \u043f\u043e\u0440\u0442\u043e\u0432<\/p>\n
#include <Wire.h><\/span>\r\n#include <PCF8574.h><\/span>\r\n\u00a0\r\n PCF8574 pcf;\r\n\u00a0\r\nvoid<\/span> setup(<\/span>)<\/span>{<\/span>\r\n Serial.begin<\/span>(<\/span>9600<\/span>)<\/span>;\r\n pcf.begin<\/span>(<\/span>0x20)<\/span>;\r\n pcf.pinMode<\/span>(<\/span>4<\/span>, INPUT)<\/span>;\r\n}<\/span>\r\n\u00a0\r\nvoid<\/span> loop(<\/span>)<\/span>{<\/span>\r\n Serial.println<\/span>(<\/span>pcf.digitalRead<\/span>(<\/span>4<\/span>)<\/span>)<\/span>;\r\n delay(<\/span>500<\/span>)<\/span>;\r\n}<\/span><\/pre>\n\u0427\u0442\u0435\u043d\u0438\u0435 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f \u043f\u043e\u0440\u0442\u043e\u0432 \u0441 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0438\u043c \u043f\u043e\u0434\u0442\u044f\u0433\u0438\u0432\u0430\u044e\u0449\u0438\u043c \u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440\u043e\u043c<\/p>\n
#include <Wire.h><\/span>\r\n#include <PCF8574.h><\/span>\r\n\u00a0\r\n PCF8574 pcf;\r\n\u00a0\r\nvoid<\/span> setup(<\/span>)<\/span>{<\/span>\r\n Serial.begin<\/span>(<\/span>9600<\/span>)<\/span>;\r\n pcf.begin<\/span>(<\/span>0x20)<\/span>;\r\n pcf.pinMode<\/span>(<\/span>4<\/span>,INPUT_PULLUP)<\/span>;\r\n}<\/span>\r\n\u00a0\r\nvoid<\/span> loop(<\/span>)<\/span>{<\/span>\r\n Serial.println<\/span>(<\/span>pcf.digitalRead<\/span>(<\/span>4<\/span>)<\/span>)<\/span>;\r\n delay(<\/span>500<\/span>)<\/span>;\r\n}<\/span><\/pre>\n\u0417\u0430\u043f\u0438\u0441\u044c \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f \u043f\u043e\u0440\u0442\u043e\u0432<\/p>\n
#include <Wire.h><\/span>\r\n#include <PCF8574.h><\/span>\r\n\u00a0\r\n PCF8574 pcf;\r\n\u00a0\r\nvoid<\/span> setup(<\/span>)<\/span>{<\/span>\r\n Serial.begin<\/span>(<\/span>9600<\/span>)<\/span>;\r\n pcf.begin<\/span>(<\/span>0x20)<\/span>;\r\n pcf.pinMode<\/span>(<\/span>4<\/span>, OUTPUT)<\/span>;\r\n}<\/span>\r\n\u00a0\r\nvoid<\/span> loop(<\/span>)<\/span>{<\/span>\r\n pcf.digitalWrite<\/span>(<\/span>4<\/span>,HIGH)<\/span>;\r\n delay(<\/span>500<\/span>)<\/span>;\r\n pcf.digitalWrite<\/span>(<\/span>4<\/span>,LOW)<\/span>;\r\n delay(<\/span>500<\/span>)<\/span>;\r\n}<\/span><\/pre>\n\u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 — http:\/\/forum.rcl-radio.ru\/misc.php?action=pan_download&item=600&download=1<\/a><\/p>\n