Senor Value: 152, Volts: 0.74, degrees C: 24.22
Senor Value: 153, Volts: 0.75, degrees C: 24.71
Senor Value: 153, Volts: 0.75, degrees C: 24.71
Congratulations!
Test your BC547....
Set diode test on multimeter.
Put red on middle leg.
Probe both other legs with black lead.
Should both read approx. 0.6
Amazing! It worked! @build_1971 @alto777 @oqibidipo @Terrypin @xfpd thank you for great support. 
It was hard work. Looking forward to project nr 4 "Color Mixing lamp", but not now.
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Great! Thanx. I will do. 
Great stuff! @xfpd @Terrypin @alto777 @build_1971 @oqibidipo I was close to give it up and carry on.
The tutorial documentation does not provide component part numbers. jansch1's problem could have easily been avoided by Arduino if they provided a means to identify the different TO92 and DIP packages by part number.
This was a very easy mistake to make by a beginner.
Yes. We can hope they survived, but let's cut short the potential for another hair tearing episode. 
I think that @janosch1 does not yet have a multimeter, so I propose this go-no / go test circuit:
The LED should light up when you connect the left-hand lead of the 2K2 resistor to 5 volts, and should not otherwise.
The 2K2 value is not critical, 1K and 3K3 and 4K7 will all three also show the transistor doing the kind of thing it will need to in the circuits you'll build soon.
Yes, not for a minute or two at least. Do whatever it is you do to take your mind away from this for a bit…
We here when you ready.
a7
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