gokul/flex-led-wristband
A flexible, rechargeable touch wristband PCB with MCP73831 Li-ion charging, switched 3.0 V regulation, ATtiny402 control, TTP223 capacitive touch sensing, and six charlieplexed red LEDs plus power/charge indicators.
- Version
- 0.0.3
- License
- unset
- Stars
- 0
THIRD_PARTY.txt
Switch footprint and derived lib/PowerSwitch.tsx geometry:
KiCad libraries contributors
https://github.com/KiCad/kicad-footprints/blob/master/Button_Switch_SMD.pretty/SW_SPDT_CK-JS102011SAQN.kicad_mod
CC-BY-SA 4.0 with KiCad electronic-design exception.
https://github.com/KiCad/kicad-footprints/blob/master/LICENSE.md
Modified: legacy model `at` changed to `offset` for parsing; individual courtyard segments joined into their equivalent closed polygon; placeholder reference/value text removed. Pad and hole geometry retained.
Datasheets used:
ATtiny402: https://ww1.microchip.com/downloads/en/DeviceDoc/ATtiny202-204-402-404-406-DataSheet-DS40002318A.pdf
MCP73831: https://ww1.microchip.com/downloads/en/DeviceDoc/MCP73831-Family-Data-Sheet-DS20001984H.pdf
MCP1700: https://ww1.microchip.com/downloads/aemDocuments/documents/APID/ProductDocuments/DataSheets/MCP1700-Data-Sheet-20001826F.pdf
TTP223: https://www.tontek.com.tw/product/product2?idx=243&lang=en
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