Analog temperature sensor .. Kit V2.0 for Arudino lesson 4"

hello,
 
i have wired circuit lesson 4 correctly (i hope). when use serial monitor see is:

a0:508

d0: 0

the circuit desription writes there push button in circuit. push button on sensor? how can interpret numbers? can take actual temperature reading?

any appreciated.

here link sensor , code , circuit


sunfounder analog temperature sensor


i posted sunfounder site no replies few days now.



thank you

the 508 raw adc result caused voltage 10k ohm resistor/thermistor divider circuit, if pinch sensor (small black bead) between fingers, should see number go down finger heat , when released, turn potentiometer , forth, do: number should switch , forth ( 0 1) when pot voltage equals sensor voltage. there no button on sensor, should in kit. kit documentation have thermistor library converts voltage temperature? should.

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