{"id":1216,"date":"2017-07-03T01:28:43","date_gmt":"2017-07-02T22:28:43","guid":{"rendered":"http:\/\/arduinolab.pw\/?p=1216"},"modified":"2017-07-03T01:29:47","modified_gmt":"2017-07-02T22:29:47","slug":"vesy-na-arduino-i-kalibrovka-tenzodatchika-s-hx711","status":"publish","type":"post","link":"https:\/\/arduinolab.pw\/index.php\/2017\/07\/03\/vesy-na-arduino-i-kalibrovka-tenzodatchika-s-hx711\/","title":{"rendered":"\u0412\u0435\u0441\u044b \u043d\u0430 arduino \u0438 \u043a\u0430\u043b\u0438\u0431\u0440\u043e\u0432\u043a\u0430 \u0442\u0435\u043d\u0437\u043e\u0434\u0430\u0442\u0447\u0438\u043a\u0430 \u0441 HX711"},"content":{"rendered":"

\u0412\u0435\u0441\u044b \u043d\u0430 \u0430\u0440\u0434\u0443\u0438\u043d\u043e \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043c\u043e\u0434\u0443\u043b\u044f HX711 \u0438 \u0442\u0435\u043d\u0437\u043e\u0434\u0430\u0442\u0447\u0438\u043a\u0430.<\/p>\n

<\/p>\n

\u0421\u043e\u0441\u0442\u043e\u044f\u0442 \u0432\u0435\u0441\u044b \u0438\u0437 \u0434\u0432\u0443\u0445 \u0447\u0430\u0441\u0442\u0435\u0439, \u0442\u0435\u043d\u0437\u043e\u0434\u0430\u0442\u0447\u0438\u043a\u0430 \u0438 \u043c\u043e\u0434\u0443\u043b\u044f \u043d\u0430 \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c\u0435 HX711. HX711 \u044d\u0442\u043e 24 \u0431\u0438\u0442\u043d\u044b\u0439 \u0430\u043d\u0430\u043b\u043e\u0433\u043e-\u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043b\u044f \u0432\u0435\u0441\u043e\u0432, \u043a \u043a\u043e\u0442\u043e\u0440\u043e\u043c\u0443 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u0442\u0435\u043d\u0437\u043e\u0434\u0430\u0442\u0447\u0438\u043a.<\/p>\n

\u041f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u043a arduino:<\/h2>\n

\"\"<\/a>\u041c\u043e\u0434\u0443\u043b\u044c \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0442\u044c \u043d\u0430 \u0434\u0432\u0430 \u043b\u044e\u0431\u044b\u0445 \u0432\u044b\u0445\u043e\u0434\u0430 arduino, \u0432 \u0434\u0430\u043d\u043d\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0438 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u043e \u043d\u0430 \u0434\u0432\u0430 \u0430\u043d\u0430\u043b\u043e\u0433\u043e\u0432\u044b\u0445 \u0432\u0445\u043e\u0434\u0430, \u043d\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442 \u043e\u043d\u0438 \u043a\u0430\u043a \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0435.<\/p>\n

\n

\u0421\u043e\u0444\u0442:<\/h2>\n

\u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 HX711 \u043c\u043e\u0436\u043d\u043e \u0441\u043a\u0430\u0447\u0430\u0442\u044c \u0442\u0443\u0442<\/a>.<\/p>\n

\n

\u041a\u0430\u043b\u0438\u0431\u0440\u043e\u0432\u043a\u0430 \u0442\u0435\u043d\u0437\u043e\u0434\u0430\u0442\u0447\u0438\u043a\u0430:<\/h2>\n

\u041f\u0440\u043e\u0446\u0435\u0441\u0441 \u043a\u0430\u043b\u0438\u0431\u0440\u043e\u0432\u043a\u0438 \u043f\u043e\u043a\u0430\u0437\u0430\u043d \u0432 \u0432\u0438\u0434\u0435\u043e:<\/p>\n

https:\/\/youtu.be\/Q7n_78icCnY<\/p>\n

\u041a\u043e\u0434 \u0438\u0437 \u0432\u0438\u0434\u0435\u043e \u0434\u043b\u044f \u043a\u0430\u043b\u0438\u0431\u0440\u043e\u0432\u043a\u0438:<\/p>\n

<\/span>\u041a\u043e\u0434 \u0434\u043b\u044f \u043a\u0430\u043b\u0438\u0431\u0440\u043e\u0432\u043a\u0438<\/div>
\n
\/*<\/span>\r\n Setup your scale and start the sketch WITHOUT a weight on the scale<\/span>\r\n Once readings are displayed place the weight on the scale<\/span>\r\n Press +\/- or a\/z to adjust the calibration_factor until the output readings match the known weight<\/span>\r\n Arduino pin 6 -> HX711 CLK<\/span>\r\n Arduino pin 5 -> HX711 DOUT<\/span>\r\n Arduino pin 5V -> HX711 VCC<\/span>\r\n Arduino pin GND -> HX711 GND <\/span>\r\n*\/<\/span>\r\n\r\n#include<\/span> \"HX711.h\"<\/span>\r\n\r\nHX711<\/span> scale<\/span>(<\/span>A1<\/span>,<\/span> A0<\/span>)<\/span>;<\/span> \u00a0\u00a0\/\/ DT, CLK<\/span>\r\n\r\nfloat<\/span> calibration_factor<\/span> =<\/span> -<\/span>3.7<\/span>;<\/span> \/\/ this calibration factor is adjusted according to my load cell<\/span>\r\nfloat<\/span> units<\/span>;<\/span>\r\nfloat<\/span> ounces<\/span>;<\/span>\r\n\r\nvoid<\/span> setup<\/span>(<\/span>)<\/span> {<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>begin<\/span>(<\/span>9600<\/span>)<\/span>;<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>println<\/span>(<\/span>\"HX711 calibration sketch\"<\/span>)<\/span>;<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>println<\/span>(<\/span>\"Remove all weight from scale\"<\/span>)<\/span>;<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>println<\/span>(<\/span>\"After readings begin, place known weight on scale\"<\/span>)<\/span>;<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>println<\/span>(<\/span>\"Press + or a to increase calibration factor\"<\/span>)<\/span>;<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>println<\/span>(<\/span>\"Press - or z to decrease calibration factor\"<\/span>)<\/span>;<\/span>\r\n\r\n \u00a0scale<\/span>.<\/span>set_scale<\/span>(<\/span>)<\/span>;<\/span>\r\n \u00a0scale<\/span>.<\/span>tare<\/span>(<\/span>)<\/span>;<\/span> \u00a0\/\/Reset the scale to 0<\/span>\r\n\r\n \u00a0long<\/span> zero_factor<\/span> =<\/span> scale<\/span>.<\/span>read_average<\/span>(<\/span>)<\/span>;<\/span> \/\/Get a baseline reading<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>print<\/span>(<\/span>\"Zero factor: \"<\/span>)<\/span>;<\/span> \/\/This can be used to remove the need to tare the scale. Useful in permanent scale projects.<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>println<\/span>(<\/span>zero_factor<\/span>)<\/span>;<\/span>\r\n}<\/span>\r\n\r\nvoid<\/span> loop<\/span>(<\/span>)<\/span> {<\/span>\r\n\r\n \u00a0scale<\/span>.<\/span>set_scale<\/span>(<\/span>calibration_factor<\/span>)<\/span>;<\/span> \/\/Adjust to this calibration factor<\/span>\r\n\r\n \u00a0Serial<\/span><\/b>.<\/span>print<\/span>(<\/span>\"Reading: \"<\/span>)<\/span>;<\/span>\r\n \u00a0units<\/span> =<\/span> scale<\/span>.<\/span>get_units<\/span>(<\/span>)<\/span>,<\/span> 10<\/span>;<\/span>\r\n \u00a0if<\/span> (<\/span>units<\/span> <<\/span> 0<\/span>)<\/span>\r\n \u00a0{<\/span>\r\n \u00a0\u00a0\u00a0units<\/span> =<\/span> 0.00<\/span>;<\/span>\r\n \u00a0}<\/span>\r\n \u00a0ounces<\/span> =<\/span> units<\/span> *<\/span> 0.035274<\/span>;<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>print<\/span>(<\/span>ounces<\/span>)<\/span>;<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>print<\/span>(<\/span>\" grams\"<\/span>)<\/span>;<\/span> \r\n \u00a0Serial<\/span><\/b>.<\/span>print<\/span>(<\/span>\" calibration_factor: \"<\/span>)<\/span>;<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>print<\/span>(<\/span>calibration_factor<\/span>)<\/span>;<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>println<\/span>(<\/span>)<\/span>;<\/span>\r\n\r\n \u00a0if<\/span>(<\/span>Serial<\/span><\/b>.<\/span>available<\/span>(<\/span>)<\/span>)<\/span>\r\n \u00a0{<\/span>\r\n \u00a0\u00a0\u00a0char<\/span> temp<\/span> =<\/span> Serial<\/span><\/b>.<\/span>read<\/span>(<\/span>)<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0if<\/span>(<\/span>temp<\/span> ==<\/span> '+'<\/span> ||<\/span> temp<\/span> ==<\/span> 'a'<\/span>)<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0calibration_factor<\/span> +=<\/span> 1<\/span>;<\/span>\r\n \u00a0\u00a0\u00a0else<\/span> if<\/span>(<\/span>temp<\/span> ==<\/span> '-'<\/span> ||<\/span> temp<\/span> ==<\/span> 'z'<\/span>)<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0calibration_factor<\/span> -=<\/span> 1<\/span>;<\/span>\r\n \u00a0}<\/span>\r\n}<\/span>\r\n<\/pre>\n<\/div><\/div>\n
<\/span>\u041a\u043e\u0434 \u0434\u043b\u044f \u0432\u0435\u0441\u043e\u0432<\/div>
\n
 \u00a0\r\n#include<\/span> \"HX711.h\"<\/span>\r\n\r\nHX711<\/span> scale<\/span>(<\/span>A1, A0<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\r\n\r\nfloat<\/span> calibration_factor<\/span> =<\/span> -<\/span>3.7<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043a\u0430\u043b\u0438\u0431\u0440\u043e\u0432\u043a\u0430!<\/span>\r\nfloat<\/span> units<\/span>;<\/span>\r\nfloat<\/span> ounces<\/span>;<\/span>\r\n\r\nvoid<\/span> setup<\/span>(<\/span>)<\/span> {<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>begin<\/span>(<\/span>9600<\/span>)<\/span>;<\/span> \r\n \u00a0scale<\/span>.<\/span>set_scale<\/span>(<\/span>)<\/span>;<\/span>\r\n \u00a0scale<\/span>.<\/span>tare<\/span>(<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u0421\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u043c \u043d\u0430 0<\/span>\r\n \u00a0scale<\/span>.<\/span>set_scale<\/span>(<\/span>calibration_factor<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u041f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c \u043a\u0430\u043b\u0438\u0431\u0440\u043e\u0432\u043a\u0443<\/span>\r\n}<\/span>\r\n\r\nvoid<\/span> loop<\/span>(<\/span>)<\/span> {<\/span> \r\n\r\n \u00a0Serial<\/span><\/b>.<\/span>print<\/span>(<\/span>\"Reading: \"<\/span>)<\/span>;<\/span>\r\n \u00a0\r\n \u00a0for<\/span>(<\/span>int<\/span> i<\/span> =<\/span> 0<\/span>;<\/span>i<\/span> <<\/span> 10<\/span>;<\/span> i<\/span> ++<\/span>)<\/span> units<\/span> =<\/span>+<\/span> scale<\/span>.<\/span>get_units<\/span>(<\/span>)<\/span>,<\/span> 10<\/span>;<\/span> \u00a0\u00a0\/\/ \u0443\u0441\u0440\u0435\u0434\u043d\u044f\u0435\u043c \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u0438\u044f \u0441\u0447\u0438\u0442\u0430\u0432 10 \u0440\u0430\u0437 <\/span>\r\n \u00a0units<\/span> \/<\/span> 10<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u0434\u0435\u043b\u0438\u043c \u043d\u0430 10<\/span>\r\n \u00a0\u00a0\r\n \u00a0ounces<\/span> =<\/span> units<\/span> *<\/span> 0.035274<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0438\u043c \u0443\u043d\u0446\u0438\u0438 \u0432 \u0433\u0440\u0430\u043c\u043c\u044b \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>print<\/span>(<\/span>ounces<\/span>)<\/span>;<\/span> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c \u0432 \u043c\u043e\u043d\u0438\u0442\u043e\u0440 \u043f\u043e\u0440\u0442\u0430<\/span>\r\n \u00a0Serial<\/span><\/b>.<\/span>print<\/span>(<\/span>\" grams\"<\/span>)<\/span>;<\/span> \u00a0\r\n \u00a0Serial<\/span><\/b>.<\/span>println<\/span>(<\/span>)<\/span>;<\/span>\r\n\r\n \r\n}<\/span>\r\n<\/pre>\n<\/div><\/div>\n
\u0412 \u043a\u043e\u0434\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0430 \u0435\u0434\u0438\u043d\u0438\u0446\u0430 \u0432\u0435\u0441\u0430, \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0432 \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0435 \u043f\u043e\u0440\u0442\u0430 \u0432 \u0433\u0440\u0430\u043c\u043c\u0430\u0445, \u0430 \u043d\u0435 \u0432 \u0443\u043d\u0446\u0438\u044f\u0445.<\/p>
\n\n
<\/div>\n