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--- projects:tiepin [2011/12/04 14:59]
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+++ projects:tiepin [2017/11/06 20:10] (current)
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 ====== Tie Pin (Learn to Solder Kit) ======
+Project Members: [[Members/RoycePipkins|Royce Pipkins]], [[Members/BrantHoleman|Brant Holeman]], and many others!
+{{ :projects:mmtiepinback.jpg?nolink&300|}}
+{{ :projects:mmtiepin.jpg?nolink&300|}}
+The Tie Pin "Learn to Solder Kit" was created so that when the Makerspace takes part in events with the public, we can teach people how to solder.
+Participants learn through-hole and surface mount soldering.
+**Pre-Event setup:**
+  - Obtain materials at least 2 weeks in advance
+  - Clean off two tables in the electronics lab
+  - Setup 2-4 soldering stations with:
+   - Two chairs
+   - Soldering iron
+   - Iron tip cleaner
+   - PCB holder
+   - Helping Hands
+   - De-soldering braid
+   - About 1mm diameter rosin core solder
+   - Solder flux
+   - Flush cutter
+**Each pin consists of:**
+  -     1x circuit board
+  -     2x 3mm LEDs
+  -     2x ~200 ohm 1/4 watt resistors
+  -     1x CR2032 battery
+  -     1x CR2032 battery holder
+  -     1x lapel pin
+  -     1x lapel pin back
+  -     Small amount of solder
+  -     Small amount of solder flux
+**Blog Posts:**
+    * http://milwaukeemakerspace.org/2011/11/tie-pin-pcbs/
+**Part sourcing:**\\
+Coin cell holders\\
+https://www.digikey.com/product-detail/en/BK-883/BK-883-ND/2439470\\
+Batteries\\
+https://www.digikey.com/product-detail/en/panasonic-bsg/CR2032/P189-ND/31939\\
+Tie tack \\
+http://www.firemountaingems.com/itemdetails/H201442FX\\
+https://www.aliexpress.com/wholesale?catId=0&SearchText=tie+tack\\
+LEDs\\
+http://www.ebay.com/itm/100-PCS-3mm-RGB-Fast-Flashing-LEDs-red-green-blue-light-lamp-bulb-Rainbow-/300681182040?pt=LH_DefaultDomain_0&hash=item4601febb58\\
+https://www.amazon.com/s/?url=search-alias%3Daps&field-keywords=3mm+led\\
+Resistors\\
+We have thousands of them in the boxes above the parts bins in the electronics lab
+PCBs\\
+https://www.seeedstudio.com/fusion_pcb.html\\
+FR4, 2-layer, 40x40mm, 1.2mm thick, HASL finish, 1oz copper, .4mm solder mask dam, .3mm min hole size, 6/6mil min track spacing, no blind vias, no castellations, no impedance control\\
+About $50+s/h for 200 boards with a 4-week lead time

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