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2 layers108 × 148 mmCE4100 Keypad, the printed circuit board in 3D

CE4100 Keypad

Nettcod/CE4100

Custom USB macro keypad for CE4100

Size
108 × 148 mm
Copper layers
2
Thickness
1.6 mm
Parts
87
Nets
74
Pads
423
Tracks, vias
532, 15
Pours
1
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
13 Oct 2021
Updated
25 Oct 2021

Overview

CE4100 Keypad is an open-source printed circuit board by Nettcod, from the Nettcod/CE4100 repository on GitHub. It is a 2-layer board of 108 × 148 mm with 87 parts on 74 nets, routed with 532 tracks and 15 vias.

It is built around the ATMEGA32U4. Its parts include 29 diodes, 25 switches, 14 resistors, 8 capacitors and 3 connectors. It belongs with the keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.

Main components

1

README

README.md

CE4100

Custom USB macro keypad for CE4100

Parts

87
QtyValueFootprintReferences
241N4148_SMDDiode_SMD:D_SOD-123D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24, D25 +8
8330Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR5, R7, R8, R9, R10, R11, R12, R13
6100nFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC3, C4, C5, C6, C7, C8
4MountingHoleMountingHole:MountingHole_3.2mm_M3_PadH1, H2, H3, H4
210KResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR6, R16
21N4148_THTDiode_THT:D_DO-35_SOD27_P7.62mm_HorizontalD26, D28
222Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR3, R4
25.1KResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR1, R2
2Rotary_SwitchRotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mmSW24, SW25
110uFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC1
116MHzCSTNE:CSTNE_ResonatorY1
11uFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC2
1500mADiode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolderFB1
1ATmega32U4Package_QFP:TQFP-44_10x10mm_P0.8mmU1
1AVR-ISPConnector_IDC:IDC-Header_2x03_P2.54mm_HorizontalJ2
1GU112X16G-7003Display_GU-7000:GU112X16G-7003J3
1Key_0Switch_Cherry:Cherry_MX_Diode_1x2SW11
1Key_1Switch_Cherry:Cherry_MX_DiodeSW10
1Key_2Switch_Cherry:Cherry_MX_DiodeSW15
1Key_3Switch_Cherry:Cherry_MX_DiodeSW19
1Key_4Switch_Cherry:Cherry_MX_DiodeSW9
1Key_5Switch_Cherry:Cherry_MX_DiodeSW14
1Key_6Switch_Cherry:Cherry_MX_DiodeSW18
1Key_7Switch_Cherry:Cherry_MX_DiodeSW8
1Key_8Switch_Cherry:Cherry_MX_DiodeSW13
1Key_9Switch_Cherry:Cherry_MX_DiodeSW17
1Key_DelSwitch_Cherry:Cherry_MX_DiodeSW20
1Key_M1Switch_Cherry:Cherry_MX_DiodeSW2
1Key_M2Switch_Cherry:Cherry_MX_DiodeSW3
1Key_M3Switch_Cherry:Cherry_MX_DiodeSW4
1Key_M4Switch_Cherry:Cherry_MX_DiodeSW5
1Key_M5Switch_Cherry:Cherry_MX_DiodeSW6
1Key_MinusSwitch_Cherry:Cherry_MX_DiodeSW21
1Key_NumLockSwitch_Cherry:Cherry_MX_DiodeSW7
1Key_PlusSwitch_Cherry:Cherry_MX_Diode_1x2SW22
1Key_ReturnSwitch_Cherry:Cherry_MX_Diode_1x2SW23
1Key_SlashSwitch_Cherry:Cherry_MX_DiodeSW12
1Key_StarSwitch_Cherry:Cherry_MX_DiodeSW16
1LOGOSilkscreen:MSOEG1
1PWRLED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolderD1
1RESETFSM2JSMAA:FSM2JSMAASW1
1RXLED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolderD2
1TXLED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolderD3
1USB_CConnector_USB-C:DX07S016JA1R1500J1

Questions

How big is the CE4100 Keypad PCB?

It measures 108 × 148 mm and has 2 copper layers, 1.6 mm thick.

What parts does the CE4100 Keypad use?

87 parts, built around the ATMEGA32U4. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the CE4100 Keypad KiCad files?

From the Nettcod/CE4100 repository on GitHub, at the commit this page was made from: the board is CE4100 Keypad.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the CE4100 Keypad design in my own project?

Its repository states no licence, so its author keeps all rights: ask Nettcod before reusing the design.

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