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2 layers228.6 × 29.4 mmMaker flip flop, the printed circuit board in 3D

Hardware design files for MakerMatrix project

Size
228.6 × 29.4 mm
Copper layers
2
Thickness
1.6 mm
Parts
63
Nets
35
Pads
230
Tracks, vias
1,241, 265
Pours
1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
30 Jun 2025
Updated
30 Jun 2025

Overview

Maker flip flop is an open-source printed circuit board by ril3y, from the ril3y/makermatrix_hardware repository on GitHub. It is a 2-layer board of 228.6 × 29.4 mm with 63 parts on 35 nets, routed with 1,241 tracks and 265 vias.

It is built around the SN74HC165DR(LX), X1321WR-2X06J-C40D18 and YC158TJR-0710KL. Its parts include 19 capacitors, 9 ICs, 8 switches and 5 connectors.

Main components

3

README

README.md

MakerMatrix Hardware

Overview

This repository contains the hardware design files for two related KiCad projects:

  1. MakerMatrix Reel - Main PCB design with Hall effect sensors
  2. SR Flip-Flop - Digital logic circuit design

Projects

MakerMatrix Reel

The main PCB design featuring:

  • Hall effect sensor inputs for magnetic field detection
  • Power distribution and regulation circuits
  • Signal conditioning and processing pathways
  • Connector interfaces for external components

Files:

  • makermatrix.kicad_sch - Main schematic
  • makermatrix.kicad_pcb - PCB layout
  • hall_inputs.kicad_sch - Hall sensor input circuitry
  • schmatic_reel.pdf - Schematic PDF export
  • pcb_reel.pdf - PCB layout PDF export

SR Flip-Flop Design

Digital logic circuit implementation located in matrix-sr-design/maker-flip-flop/:

  • maker-flip-flop.kicad_sch - Flip-flop schematic
  • maker-flip-flop.kicad_pcb - PCB layout
  • schmatic_flipflop.pdf - Schematic PDF export
  • panel/ - Panelized version for manufacturing
  • plots/ - Gerber files for fabrication

Manufacturing Files

  • bom/ - Bill of Materials (includes interactive HTML BOM)
  • gerbers/ - Gerber files for PCB fabrication
  • matrix-sr-design/maker-flip-flop/plots/ - SR flip-flop gerber files

Documentation

  • schmatic_reel.pdf - Main reel schematic
  • pcb_reel.pdf - Main reel PCB layout
  • matrix-sr-design/maker-flip-flop/schmatic_flipflop.pdf - Flip-flop schematic

Design Tools

  • KiCad EDA Suite for schematic capture and PCB layout
  • Standard electronic components and footprints (symbols and footprints are included in KiCad's standard libraries)

Usage

Open the .kicad_pro project files in KiCad to view and modify the circuit designs. The PDF files provide quick reference for the schematics and PCB layouts.

Parts

63
QtyValueFootprintReferences
18.1uFCapacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolderC1, C2, C3, C4, C5, C7, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19 +2
8DM1-135P-1-16easyeda2kicad:SW-TH_DM1-135P-1-16SW0, SW1, SW2, SW3, SW4, SW5, SW6, SW7
8SK6812MINI-E_C5149201easyeda2kicad:LED-SMD_L3.2-W2.8-TR-reversedU1, U2, U3, U4, U5, U6, U7, U8
4G***kibuzzard-6861EA7Dkibuzzard-6861EA7D, kibuzzard-6861EA7D, kibuzzard-6861EA7D, kibuzzard-6861EA7D
4G***kibuzzard-6861EA48kibuzzard-6861EA48, kibuzzard-6861EA48, kibuzzard-6861EA48, kibuzzard-6861EA48
3FiducialFiducial:Fiducial_0.5mm_Mask1mmFID1, FID2, FID3
3X1321WR-2X06J-C40D18MY_LIBS:HDR-TH_12P-P1.27-H-M-R2-C6-S1.27-W7.5H1, IN6, R_IN1
2OUTeasyeda2kicad:HDR-TH_12P-P1.27_XKB_X1321FR-2X06-C43D24J1, J4
11ufCapacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolderC6
15VTestPoint:TestPoint_Pad_D1.0mmTP9
1BTN_DATA_OUTTestPoint:TestPoint_Pad_D1.0mmTP2
1Conn_01x04_PinConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_HorizontalJ4
1GNDTestPoint:TestPoint_Pad_D1.0mmTP8
1LED_DATA_INTestPoint:TestPoint_Pad_D1.0mmTP1
1LED_DATA_OUTTestPoint:TestPoint_Pad_D1.0mmTP4
1LED_TERM_DATAJumper:SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mmJP1
1OUTMY_LIBS:HDR-TH_12P-P1.27-H-M-R2-C6-S1.27-W7.5J2
1SN74HC165DR(LX)easyeda2kicad:SOP-16_L10.0-W3.9-P1.27-LS6.0-BLU10
1TL_INMY_LIBS:HDR-TH_12P-P1.27-H-M-R2-C6-S1.27-W7.5IN1
1TL_OUTMY_LIBS:HDR-TH_12P-P1.27-H-M-R2-C6-S1.27-W7.5J5
1YC158TJR-0710KLeasyeda2kicad:RES-ARRAY-SMD_1206-L3.2-W1.6-P0.64RN1

Questions

How big is the Maker flip flop PCB?

It measures 228.6 × 29.4 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Maker flip flop use?

63 parts, built around the SN74HC165DR(LX), X1321WR-2X06J-C40D18 and YC158TJR-0710KL. 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 Maker flip flop KiCad files?

From the ril3y/makermatrix_hardware repository on GitHub, at the commit this page was made from: the board is matrix-sr-design/maker-flip-flop/maker-flip-flop.kicad_pcb and its schematic hall_inputs.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Maker flip flop design in my own project?

Its repository states no licence, so its author keeps all rights: ask ril3y before reusing the design.

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