Saturday, December 5, 2015

First pass at PCB is done!

I've been spending a few minutes here, a few minutes there, and am close to having something to send out to OSHpark.  Here's what it looks like at the moment:


And here's what the BOM looks like right now:

DescriptionPart NumberUnit PriceDiscount Price qty 100QtyTotalDiscountedURL
PICAXE-14M2$3.39$3.191$3.39$3.19http://www.robotshop.com/en/picaxe-14m2-microcontroller-chip.html
USB-RS232 converterCH340G$0.40$0.401$0.40$0.40aliexpress
PCB$1.00$1.001$1.00$1.00OSHpark
green SMD LED160-1169-1-ND$0.30$0.131$0.30$0.13http://www.digikey.com/product-search/en?keywords=160-1169-1-ND
22pF capacitor, SMD399-8165-1-ND$0.16$0.052$0.32$0.11http://www.digikey.com/product-detail/en/C1206C220K5GACTU/399-8165-1-ND/3471888
0.1uF capacitor, SMD399-1249-1-ND$0.10$0.032$0.20$0.07http://www.digikey.com/product-search/en?keywords=399-1249-1-ND
12MHz crystal, SMDCTX888CT-ND$0.38$0.261$0.38$0.26http://www.digikey.com/product-search/en?keywords=CTX888CT-ND
22k resistor, SMDP22KACT-ND$0.10$0.011$0.10$0.01http://www.digikey.com/product-search/en?keywords=P22KACT-ND
10k resistor, SMDP10KACT-ND$0.10$0.011$0.10$0.01http://www.digikey.com/product-detail/en/ERJ-6GEYJ103V/P10KACT-ND/43118
200ohm resistor, SMDP200ECT-ND$0.10$0.021$0.10$0.02http://www.digikey.com/product-search/en?keywords=P200ECT-ND
TOTAL$6.29$5.19
I'm going to get pretty close to the $5 cost target!  After I do a quick review, I'm going to get this thing made and see how hard it is to assemble.  Hopefully, it works.  :)

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