init

.drone.yml

@@ -0,0 +1,17 @@
+kind: pipeline
+type: docker
+name: clone
+
+steps:
+  - name: Test
+    image: golang:1.18
+    commands:
+      - go env -w GO111MODULE=on
+      - go env -w GOPROXY=https://goproxy.cn,direct
+      - go test -v ./...
+  - name: Benchmark
+    image: golang:1.18
+    commands:
+      - go env -w GO111MODULE=on
+      - go env -w GOPROXY=https://goproxy.cn,direct
+      - go test -bench=. -benchmem

.gitignore

@@ -0,0 +1,10 @@
+.env
+.git
+.svn
+.idea
+.vscode
+*.log
+gomod.sh
+*_test.go
+mod.sh
+/vendor/

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 李光春
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,17 @@
+<h1>
+<a href="https://www.dtapp.net/">Golang mq135</a>
+</h1>
+
+📦 Golang mq135
+
+[comment]: <> (go)
+[![godoc](https://pkg.go.dev/badge/go.dtapp.net/mq135?status.svg)](https://pkg.go.dev/go.dtapp.net/mq135)
+[![goproxy.cn](https://goproxy.cn/stats/go.dtapp.net/mq135/badges/download-count.svg)](https://goproxy.cn/stats/go.dtapp.net/mq135)
+[![goreportcard.com](https://goreportcard.com/badge/go.dtapp.net/mq135)](https://goreportcard.com/report/go.dtapp.net/mq135)
+[![deps.dev](https://img.shields.io/badge/deps-go-red.svg)](https://deps.dev/go/go.dtapp.net%2Fmq135)
+
+#### 安装
+
+```shell
+go get -v -u go.dtapp.net/mq135@v1.0.0
+```

go.mod

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+module go.dtapp.net/mq135
+
+go 1.21.5

mq135.go

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+package mq135
+
+// 根据传感器电阻计算CO2 ppm的参数
+var (
+	PARA float64 = 116.6020682
+	PARB float64 = 2.769034857
+)
+
+// 建模温度和湿度相关性的参数
+var (
+	CORA float64 = .00035
+	CORB float64 = .02718
+	CORC float64 = 1.39538
+	CORD float64 = .0018
+	CORE float64 = -.003333333
+	CORF float64 = -.001923077
+	CORG float64 = 1.130128205
+)
+
+// 用于校准目的的大气CO2水平
+var (
+	ATMOCO2 float64 = 414.47 // Global CO2 Aug 2021
+)
+
+// GetCorrectionFactor 获取校正系数以校正温度和湿度
+func GetCorrectionFactor(t float64, h float64) float64 {
+	if t < 20 {
+		return CORA*t*t - CORB*t + CORC - (h-33.)*CORD
+	} else {
+		return CORE*t + CORF*h + CORG
+	}
+}
+
+func GetCorrectedResistance(r float64, t float64, h float64) float64 {
+	return r / GetCorrectionFactor(t, h)
+}

version.go

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+package mq135
+
+const (
+	Version = "1.0.0"
+)