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2 layers167.1 × 363.5 mmGate sequencer, the printed circuit board in 3D

Gate sequencer

gridbugs/modular2
Open in PCBKitView on GitHub.kicad_pcb
Size
167.1 × 363.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
196
Nets
156
Pads
525
Tracks, vias
1,273, 0
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
22 Nov 2025
Updated
7 Nov 2026

Overview

Gate sequencer is an open-source printed circuit board by gridbugs, from the gridbugs/modular2 repository on GitHub, published under the MIT licence. It is a 2-layer board of 167.1 × 363.5 mm with 196 parts on 156 nets, routed with 1,273 tracks and 0 vias.

It is built around the S15, S10 and S11, with the S14 and S16 among its other parts. Its parts include 55 connectors, 52 diodes, 33 resistors, 23 switches and 2 capacitors. It belongs with the AVR (ATmega, ATtiny) boards of this library.

Main components

5

README

low-pass-filter/README.md

Low-pass Filter

Quirks

V1

  • The "Cutoff" potentiometer is reversed.

Parts

196
QtyValueFootprintReferences
361N4148Diode_THT:D_DO-35_SOD27_P7.62mm_HorizontalD1, D2, D3, D10, D13, D15, D16, D18, D19, D23, D24, D26, D27, D30, D32, D34 +20
331KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR1, R2, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23 +17
16LEDLED_THT:LED_D5.0mmD5, D6, D9, D11, D12, D14, D17, D20, D21, D22, D25, D28, D29, D31, D33, D36
16LEDConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ24, J26, J27, J28, J32, J33, J35, J36, J39, J41, J43, J45, J46, J50, J52, J53
3PowerConnector_IDC:IDC-Header_2x03_P2.54mm_VerticalJ1, J2, J3
2100nfCapacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mmC1, C2
2Clockmodular2:banana-jackJ4, J22
2Gate 1modular2:banana-jackJ5, J23
2Gate 10modular2:banana-jackJ14, J42
2Gate 11modular2:banana-jackJ15, J44
2Gate 12modular2:banana-jackJ17, J48
2Gate 13modular2:banana-jackJ16, J47
2Gate 14modular2:banana-jackJ18, J49
2Gate 15modular2:banana-jackJ19, J51
2Gate 16modular2:banana-jackJ20, J54
2Gate 2modular2:banana-jackJ6, J25
2Gate 3modular2:banana-jackJ7, J29
2Gate 4modular2:banana-jackJ9, J30
2Gate 5modular2:banana-jackJ8, J31
2Gate 6modular2:banana-jackJ10, J34
2Gate 7modular2:banana-jackJ11, J37
2Gate 8modular2:banana-jackJ12, J38
2Gate 9modular2:banana-jackJ13, J40
1100K - PeriodPotentiometer_THT:Potentiometer_Alps_RK09K_Single_VerticalRV1
1100K - TempoPotentiometer_THT:Potentiometer_Alps_RK09K_Single_VerticalRV2
1Arduino_Nano_v3.xModule:Arduino_NanoA1
1Clock Sourcemodular2:switch1SW3
1Conn_01x34_PinConnector_PinHeader_2.54mm:PinHeader_1x34_P2.54mm_VerticalJ55
1Conn_01x34_SocketConnector_PinSocket_2.54mm:PinSocket_1x34_P2.54mm_VerticalJ21
1LOGOmodular2:ibis-smallG***
1Modemodular2:switch1SW2
1Mode 2modular2:switch1SW1
1S1Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW8
1S10Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW17
1S11Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW18
1S12Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW19
1S13Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW20
1S14Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW21
1S15Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW22
1S16Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW23
1S2Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW9
1S3Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW10
1S4Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW11
1S5Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW12
1S6Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW13
1S7Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW14
1S8Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW15
1S9Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW16
1X1Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW4
1X2Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW5
1X3Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW6
1X4Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW7
1~Package_DIP:DIP-24_W7.62mm_SocketU1

The 170 most common of 196 parts.

Questions

How big is the Gate sequencer PCB?

It measures 167.1 × 363.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Gate sequencer use?

196 parts, built around the S15, S10, S11 and S14. 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 Gate sequencer KiCad files?

From the gridbugs/modular2 repository on GitHub, at the commit this page was made from: the board is gate-sequencer/gate-sequencer.kicad_pcb and its schematic arduino-delay/arduino-delay.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Gate sequencer design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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