 Last additions
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ETI-733 RTTY Decoder (Inside)77773 viewsNote that the 4046 PLL chip is missing.Jan 03, 2013
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ETI-733 RTTY Decoder kit1707 viewsJan 03, 2013
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Microbee EPROM Programmer1045 viewsJan 03, 2013
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Super-80 IC Packaging375 viewsCardboard box and styrofoam sheetsJan 02, 2013
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Baseboard assembly - stage 1782 viewsMost of the passive components installedDec 28, 2012
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A set of completed keyswitches392 viewsThe result of a few hours on the keyswitch production lineDec 28, 2012
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Completed keyswitch394 viewsI used the keyboard frame to temporarily hold each switch vertical while the adapter board was attached, using the same solder/ screwdriver pressure/remelt technique to ensure a tight PCB fit to the keyswitch baseDec 28, 2012
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High tech keyswitch assembly jig445 viewsI then just added the PCB and soldered the 2 pins at the right. To ensure both pin collars were hard up against the board, I used a screwdriver to apply pressure to the centre of the board and just remelted the solder. The 3rd pin is not soldered, it just helps to hold the board in positionDec 28, 2012
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High tech keyswitch assembly jig431 viewsUsing a keyswitch adapter PCB as a template, I drilled 3x 1mm holes in a piece of timber to hold the PCB pins straightDec 28, 2012
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268 viewsNov 30, 2012
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357 viewsNov 30, 2012
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Broken Willem possibly a clone425 viewsNov 04, 2012
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