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Maker project

fixer-otg

BOM012239 · Fixer-OTG-CH552-keyboard

What the project is · as the catalogue files it; the circuit functions below are BOM rule hits

Filed under “人机接口HMI” in the ezPLM catalogue.

Circuit functions included · BOM rule hits · not reviewed

  • 8-bit MCU (AVR / PIC / 8051 / STM8)
    • U1 CH552T · by part number
  • Key matrix / mechanical switches
    • SW1 BOOT · by footprint
    • SW2 RESET · by footprint
    • SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23, SW24, SW25, SW26, SW27, SW28, SW29, SW30, SW31, SW32, SW33, SW34, SW35, SW36, SW37, SW38, SW39, SW40, SW41, SW42 SW_Push · by footprint
Helper circuits
  • USB connector (Type-C / Micro / A)
    • J1 USB_C_Receptacle_USB2.0 · by part number
  • Buttons / switches
    • SW1 BOOT · by footprint
    • SW2 RESET · by footprint
    • SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23, SW24, SW25, SW26, SW27, SW28, SW29, SW30, SW31, SW32, SW33, SW34, SW35, SW36, SW37, SW38, SW39, SW40, SW41, SW42 SW_Push · by footprint
The board in fixer-otg seen from the top (bottom copper dimmed), drawn from its parsed design files
PCB · seen from the top
Full size
The schematic sheet of fixer-otg placing the most parts, drawn from its parsed design files
Schematic
Full size

Online view

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10 rows · 97 parts0 of 10 rows placedHover or click a row to mark its parts in the view; click a part in the view to find its row.

Looks up part numbers and makers at ezPLM, DigiKey and Mouser. What it finds are suggestions: check one before you use it.

DesignatorsValuePartQtyPlaced
C1, C2100nFC_0402_1005Metric
No part number
2
R1, R25.1kR_0402_1005Metric
No part number
2
R310kR_0402_1005Metric
No part number
1
D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30, D31, D32, D33, D34, D35, D36, D37, D38, D39, D40D_SmallD_SOD-323
No part number
40
U1CH552TTSSOP-20_4.4x6.5mm_P0.65mm
No part number
1
SW1BOOTInterface labelButton_Mute_Kailh
No part number
1
SW2RESETInterface labelButton_Mute_Kailh
No part number
1
SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23, SW24, SW25, SW26, SW27, SW28, SW29, SW30, SW31, SW32, SW33, SW34, SW35, SW36, SW37, SW38, SW39, SW40, SW41, SW42SW_PushButton_Mute_Kailh
No part number
40
H1, H2, H3, H4, H5, H6, H7, H8MountingHole_PadInterface labelm1.6_hole
No part number
8
J1USB_C_Receptacle_USB2.0USB_C_Receptacle_HRO_TYPE-C-31-M-12
No part number
1
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