52 lines
840 B
Go
52 lines
840 B
Go
// +build example
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//
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// Do not build by default.
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/*
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How to run
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Pass serial port to use as the first param:
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go run examples/firmata_temp36.go /dev/ttyACM0
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*/
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package main
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import (
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"os"
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"time"
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"fmt"
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"gobot.io/x/gobot"
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"gobot.io/x/gobot/platforms/firmata"
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)
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func main() {
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firmataAdaptor := firmata.NewAdaptor(os.Args[1])
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work := func() {
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gobot.Every(1*time.Second, func() {
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val, err := firmataAdaptor.AnalogRead("0")
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if err != nil {
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fmt.Println(err)
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return
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}
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voltage := (float64(val) * 5) / 1024 // if using 3.3V replace 5 with 3.3
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tempC := (voltage - 0.5) * 100
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tempF := (tempC * 9 / 5) + 32
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fmt.Printf("%.2f°C\n", tempC)
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fmt.Printf("%.2f°F\n", tempF)
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})
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}
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robot := gobot.NewRobot("sensorBot",
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[]gobot.Connection{firmataAdaptor},
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[]gobot.Device{},
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work,
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)
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robot.Start()
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}
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