The 4 circuit switches were a special order from Canada and were going to be on a 6-8 week lead time, so i set about the next project
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- A TPMS.
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Those that have seen my Group Buy know that i wanted a compact system, ideally in a gauge, but Stack's system was out of the question at
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£2400.
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So i chose this:
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![Image](http://www.sbits.net/pics/tpms_1.jpg)
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Perfect
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- small, well very small, temps and pressures, and good looking.
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But i wondered
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.
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.
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.
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how small? Hmmmmm
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.
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.
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.
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Would it fit?
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.
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.
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.
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Could i make it fit?
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So, out with the Dremel.
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And i cut open the case to reveal this:
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![Image](http://www.sbits.net/noble/tpms_1_pcb.jpg)
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Next problem was those two SMD push button switches at the bottom of the pcb.
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So out with the magnifying glass and soldering iron.
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I desoldered the switches and soldered on jumper wires, and as the solder pads are so small, i epoxy'ed the wires to the pcb so save them getting pulled apart.
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Jumper wires are 6" long and terminate in a ON-OFF-ON momentary switch to imitate the original push button switches.
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Next i got on to Reverie, and had them custom route me a circular disc out of 0.8mm prepreg carbon with hole in the middle exactly same as the original casing.
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Light, strong and thin.
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![Image](http://www.sbits.net/noble/tpms_2_carbon_face.jpg)
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Then i had the disc painted to match Noble OEM gauges.
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![Image](http://www.sbits.net/noble/tpms_3_white_face.jpg)
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Then a call to Glenn at InstantPrint who printed my dash.
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If it was going to match the Noble boost gauge which i'm keeping in the car, i'd need the Noble logo printing on the face.
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After a few hours work late one evening, i had this:
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![Image](http://www.sbits.net/noble/tpms_4_printed_face.jpg)
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Looks pretty good match to me:
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![Image](http://www.sbits.net/noble/tpms_5_withoem.jpg)
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Carefully slid the pcb into the housing, and all the time spent measuring paid off:
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![Image](http://www.sbits.net/noble/tpms_6_finished.jpg)
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I have a TPMS in a gauge!!!
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Final job.
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In the event of an alarm, either of the push buttons needs to be pressed to reset.
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So i soldered an additional pair of wires to one pair of the jumpers, and made another trip back to Glenn:
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![Image](http://www.sbits.net/noble/tpms_7_button.jpg)
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