john
lilspikey
Under track sensor boards soldered up
QRD1114 Infra red sensors embedded in milliput, to get the infrared emitter diode and infrared phototransistor separated enough to have the fit either side of the sleepers on z-scale track.
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Uploaded on June 26, 2014
Taken on June 26, 2014
Under track sensor boards soldered up
QRD1114 Infra red sensors embedded in milliput, to get the infrared emitter diode and infrared phototransistor separated enough to have the fit either side of the sleepers on z-scale track.
1,171
views
1
fave
0
comments
Uploaded on June 26, 2014
Taken on June 26, 2014