Create mhz19.js

[ghost]

var mhz19 = require('@amperka/mhz19.js').connect({ rx: P0, tx: P1, speed: 9600, port: Serial3 });
console.log( mhz19.read() );

[igrztv]

Привет!

В целом всё норм, но есть комментарии.
Ещё у нас есть код-стайл в репозитории. Должно быть 0 ошибок по линтеру.
Установить линтер:
https://www.npmjs.com/package/eslint
Использовать файл .eslintrc:
`{
"extends": "eslint:recommended",

"rules": {
"array-bracket-spacing": [2, "never"],
"block-scoped-var": 2,
"brace-style": [2, "1tbs"],
"camelcase": 1,
"computed-property-spacing": [2, "never"],
"consistent-this": [2, "self"],
"curly": 2,
"eol-last": 2,
"eqeqeq": [2, "smart"],
"id-match": [2, "^(?[a-zA-Z]+([a-zA-Z0-9]+)*)|([A-Z0-9]+)$", {"properties": true}],
"indent": [2, 2, {"SwitchCase": 1}],
"key-spacing": [2, {"beforeColon": false, "afterColon": true}],
"linebreak-style": [2, "unix"],
"max-depth": [1, 3],
"max-len": [1, 80],
"max-nested-callbacks": [2, 3],
"max-statements": [1, 25],
"new-cap": 1,
"no-extend-native": 2,
"no-extra-semi": 2,
"no-mixed-spaces-and-tabs": 2,
"no-multi-spaces": 2,
"no-multiple-empty-lines": [2, {"max": 2}],
"no-spaced-func": 2,
"no-trailing-spaces": 2,
"no-undef": 2,
"no-undef-init": 2,
"no-unused-vars": 1,
"no-use-before-define": [2, "nofunc"],
"object-curly-spacing": [2, "never"],
"quotes": [2, "single", "avoid-escape"],
"semi": [2, "always"],
"semi-spacing": [2, {"before": false, "after": true}],
"keyword-spacing": [2, {"before": true, "after": true, "overrides": {}}],
"space-before-function-paren": [2, "never"],
"space-in-parens": [2, "never"],
"space-unary-ops": [1, {"words": true, "nonwords": false}],
"spaced-comment": [2, "always"],
"yoda": [2, "never"]
},

"globals": {
"A0": false,
"A1": false,
"A2": false,
"A3": false,
"A4": false,
"A5": false,
"E": false,
"P1": false,
"P0": false,
"P10": false,
"P11": false,
"P12": false,
"P13": false,
"P2": false,
"P3": false,
"P4": false,
"P5": false,
"P6": false,
"P7": false,
"P8": false,
"P9": false,
"B15": false,
"B14": false,
"B13": false,
"SCL": false,
"SDA": false,
"SPI2": false,
"analogRead": false,
"analogWrite": false,
"changeInterval": false,
"clearInterval": false,
"clearTimeout": false,
"clearWatch": false,
"digitalPulse": false,
"digitalRead": false,
"digitalWrite": false,
"exports": true,
"getTime": false,
"setInterval": false,
"setTimeout": false,
"setWatch": false,
"require": false,
"print": false
}
}`

[igrztv]

лучше использовать хендлеры для обработки сообщений UART
ser.on("data", function(d) {
…
});