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2 layers100 × 100 mmSchématique PCB EQ03, the printed circuit board in 3D

Ce répertoire présente les différentes étape de conception matérielle et logicielle d'un robot biroue auto-balanceur créé dans le cadre d'un projet étudiant en 2026 à l'École de Technologie Supérieure (ÉTS).

Size
100 × 100 mm
Copper layers
2
Thickness
1.6 mm
Parts
50
Nets
86
Pads
227
Tracks, vias
640, 42
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
26 Apr 2026
Updated
26 May 2026

Overview

Schématique PCB EQ03 is an open-source printed circuit board by recursive-embedded-DEV, from the recursive-embedded-DEV/Robot_auto_balanceur_CUT2026 repository on GitHub. It is a 2-layer board of 100 × 100 mm with 50 parts on 86 nets, routed with 640 tracks and 42 vias.

It is built around the ATMEGA644A-PU. Its parts include 12 connectors, 9 ICs, 6 capacitors, 5 resistors and 4 diodes. It belongs with the AVR (ATmega, ATtiny) boards of this library.

Main components

1

README

README.md

Robot_auto_balanceur_CUT2026

Ce répertoire présente les différentes étapes de conception matérielle et logicielle d'un robot auto-balanceur à deux roues créé dans le cadre d'un projet étudiant en 2026 à l'École de Technologie Supérieure (ÉTS).

Parts

50
QtyValueFootprintReferences
4M3MountingHole:MountingHole_3.2mm_M3H1, H2, H3, H4
3100nFCapacitor_THT:C_Disc_D3.4mm_W2.1mm_P2.50mmC1, C2, C5
21R5Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_HorizontalR3, R5
11000uFCapacitor_THT:CP_Radial_D13.0mm_P5.00mmC4
1100uFCapacitor_THT:CP_Radial_D8.0mm_P2.50mmC3
110kRPotentiometer_THT:Potentiometer_Bourns_3296W_VerticalRV1
110kΩResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR1
11N4001Diode_THT:D_DO-41_SOD81_P7.62mm_HorizontalD4
11N5819Diode_THT:D_DO-41_SOD81_P7.62mm_HorizontalD2
1330RResistor_THT:R_Array_SIP6RN1
1330uFCapacitor_THT:CP_Radial_D10.0mm_P5.00mmC8
1330uHInductor_THT:L_Radial_D13.5mm_P7.00mm_Fastron_09HCPL1
1330ΩResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR4
13V3Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_VerticalJ6
1470RResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR2
15VConnector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_VerticalJ1
18ATCH098:Fuse holder (4628)F1
1ATmega644A-PTCH098:Microcontroller (Atmega644A)U1
1BA33BCOPackage_TO_SOT_THT:TO-220F-3_VerticalU3
1Bornier_PinceTCH098:Motor Screw Terminal (OSTTC)J11
1DebugTCH098:Qwiic connector (pin header)J8
1GNDConnector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_VerticalJ7
1GreenLED_THT:LED_D5.0mmD5
1Gyro_IMUTCH098:Qwiic connector (SM04B-SRSS-TB)U9
1LCD_16x02Connector_PinHeader_2.54mm:PinHeader_1x16_P2.54mm_VerticalDS1
1LIPO_7.4VTCH098:Battery connector (JST RCY)BT1
1LM2575-5.0BTTCH098:Breadboard friendly TO-220-5 (LM2575)U2
1LS_1Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ4
1LS_2Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ5
1Logo ÉTSTCH098:Logo ÉTSGL1
1Moteur_DTCH098:Motor Screw Terminal (OSTTC)J9
1Moteur_GTCH098:Motor Screw Terminal (OSTTC)J10
1On/OffTCH098:Toggle switch SPDT (ANT11SF1CQE)SW1
1Pololu_ISPConnector_IDC:IDC-Header_2x03_P2.54mm_VerticalJ3
1Pont_H_MDTCH098:H-bridge breakout (DRV8874)U4
1Pont_H_MGTCH098:H-bridge breakout (DRV8874)U5
1Pont_H_PinceTCH098:H-bridge breakout (DRV8874)U6
1RX sourceConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalJP1
1Servo_M_1TCH098:Servo connector (pin header)J2
1Servo_M_2TCH098:Servo connector (pin header)J12
1UART DebugTCH098:TTL Debug connector (Pololu AVR)U8
1Wi-Fi_ModuleTCH098:Wifi module (ESP-01S)U7
1resetButton_Switch_THT:SW_PUSH_6mmSW2
1~TCH098:Bargraph 5 LED (XGxxX5D)D1

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Questions

How big is the Schématique PCB EQ03 PCB?

It measures 100 × 100 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Schématique PCB EQ03 use?

50 parts, built around the ATMEGA644A-PU. 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 Schématique PCB EQ03 KiCad files?

From the recursive-embedded-DEV/Robot_auto_balanceur_CUT2026 repository on GitHub, at the commit this page was made from: the board is Schématique_PCB_EQ03/Schématique_PCB_EQ03.kicad_pcb and its schematic Schématique_PCB_EQ03/Schématique_PCB_EQ03.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Schématique PCB EQ03 design in my own project?

Its repository states no licence, so its author keeps all rights: ask recursive-embedded-DEV before reusing the design.