I just finished (badly, SMD sucks so hard) soldering up a Beamspring -USB-5251 Rev 4. When I plug it into my computer (win 10), it says "USB device not recognized) and when I try to start up the capsense utility it says "No Controller found"
Here's the parts list:
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Sheet 1: Beamspring-USB
Id Designator Package Quantity Designation Price Total
1 CON1 USB_MINI_B 1 USB-MINI-B $1.42 $1.42 : https://www.digikey.com/product-detail/en/690-005-299-043/151-1206-1-ND/4312192/?itemSeq=297384381
2 U2 tsot-6 1 DAC101S101 $3.16 $3.16 : https://www.digikey.com/product-detail/en/DAC101S101CIMK%2fNOPB/DAC101S101CIMK%2fNOPBCT-ND/953475/?itemSeq=297384429
3 U1 TQFP32 1 ATMEGA32U2 $7.00 $7.00 : https://www.digikey.com/product-detail/en/ATMEGA32U2-AUR/ATMEGA32U2-AURCT-ND/3789462/?itemSeq=297384636
6 U6 so-14 1 LM339A $0.48 $0.48 : https://www.digikey.com/product-detail/en/LM339ADT/497-1586-1-ND/592080/?itemSeq=297384826
7 C3,C4 SM0805 2 22pF $0.01 $0.02 : https://www.digikey.com/product-detail/en/C0805C220J5GACTU/399-1113-1-ND/411388/?itemSeq=297385114
8 C10,C9,C8,C11,C6,C7,C2,C12 SM0805 8 0.1uF $0.01 $0.08 : https://www.digikey.com/product-detail/en/CL21F104ZBCNNNC/1276-1007-1-ND/3889093/?itemSeq=297385195
9 R4 SM0805 1 4.7K $0.01 $0.01 : https://www.digikey.com/product-detail/en/RC0805JR-074K7L/311-4.7KARCT-ND/731274/?itemSeq=297385269
10 R3,R17 SM0805 2 20K $0.01 $0.02 : https://www.digikey.com/product-detail/en/ERA-6AEB203V/P20KDACT-ND/1465978/?itemSeq=297385292
11 R1,R16,R2 SM0805 3 10K $0.01 $0.03 : https://www.digikey.com/product-detail/en/RNCF0805DTE10K0/RNCF0805DTE10K0CT-ND/2687083/?itemSeq=297385332
12 C1 SM0805 1 1uF $0.02 $0.02 : https://www.digikey.com/product-detail/en/CL21B105KAFNNNE/1276-1066-1-ND/3889152/?itemSeq=297385348
13 R15 SM0805 1 47K $0.01 $0.01 : https://www.digikey.com/product-detail/en/ERA-6AEB473V/P47KDACT-ND/1465987/?itemSeq=297385373
14 C5 SM0805 1 4.7uF $0.02 $0.02 : https://www.digikey.com/product-detail/en/CL21A475KOFNNNE/1276-1065-1-ND/3889151/?itemSeq=297385412
15 R6,R5 SM0805 2 22R $0.01 $0.03 : https://www.digikey.com/product-detail/en/CRGCQ0805J22R/A130124CT-ND/8577956/?itemSeq=297385638
16 RP2 RPACK_1206 1 100K 1% $0.08 $0.08 : https://www.digikey.com/product-detail/en/CAT16-1003F4LF/CAT16-1003F4LFCT-ND/3592894/?itemSeq=297385959
17 RP1 RPACK_1206 1 10K 5% $0.01 $0.01 : https://www.digikey.com/product-detail/en/EXB-V8V103JV/Y4103CT-ND/155171/?itemSeq=297385997
18 X1 HC49US 1 16MHz $0.60 $0.60 : https://www.digikey.com/product-detail/en/ECS-160-20-3X-TR/XC1776CT-ND/2676640/?itemSeq=297386083
19 U3,U5,U4 DHVQFN16 3 74AHC595 $0.60 $1.80 : https://www.digikey.com/product-detail/en/74AHC595BQ%2c115/1727-6021-1-ND/2753857/?itemSeq=297386118
Oh not to mention not only is it not working, but the DAC101S101 (U2) is sparking/crackling
One other note: I'm testing the controller completely disconnected from my actual beamspring. Just plugging the converter alone into my computer. Don't know if that matters.