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2 layers68.6 × 53.3 mmENEL200ShieldGroup01, the printed circuit board in 3D

A project made in my First Professional Year of Electrical Engineering. This was made in collaboration with two other people and focussed on the basics of PCB design, 3D modelling, and basic embedded software development.

Size
68.6 × 53.3 mm
Copper layers
2
Thickness
1.6 mm
Parts
41
Nets
41
Pads
125
Tracks, vias
175, 0
Pours
1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
14 Apr 2026
Updated
1 Sep 2026

Overview

ENEL200ShieldGroup01 is an open-source printed circuit board by TheBroKendrick, from the TheBroKendrick/Arduino-Turtle-Robot- repository on GitHub. It is a 2-layer board of 68.6 × 53.3 mm with 41 parts on 41 nets, routed with 175 tracks and 0 vias.

It is built around the ZXBM5210-S, LM338T and SR240, with the SG90 among its other parts. Its parts include 12 connectors, 11 capacitors, 6 resistors, 5 diodes and 3 ICs.

Main components

4

README

README.md

Arduino Turtle Bot

The Logo programming language brought to life. Using simple commands such as "LEFT" and "RIGHT" you can command this robot to do exactly that. This was my first project integrating electronics, software, and mechanical engineering together. Many concepts were learned and applied such as interrupts, software debouncing, 3D modelling, and single-layer PCB design.

Features

  • Can turn in increments of 10 degrees. This was implemented via a proportional controller.
  • Independently powered by a battery pack.
  • Can take commands in real-time via USB through Arduino console.
  • Chassis features a pen holder which allows the robot to draw shapes.
  • LED light indicating states (Error, Performing Task, Ready to take tasks).
  • PCB traces never cut through ground plane to minimise noise.
1000002180

Parts

41
QtyValueFootprintReferences
7100nCapacitor_THT:C_Rect_L4.6mm_W3.0mm_P2.50mm_MKS02_FKP02C2, C3, C5, C6, C7, C9, C11
510kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR1, R2, R3, R4, R6
4CONN_01X01Socket_Arduino_Uno:Mounting_HoleH1, H2, H3, H4
4SR240Diode_THT:D_DO-15_P3.81mm_Vertical_AnodeUpD1, D2, D3, D4
210uCapacitor_THT:CP_Radial_D5.0mm_P2.00mmC4, C8
2HC-020KConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalJ2, J3
2HC-SR04 UConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ7, J8
2UC_Screw_Terminal_01X02TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_HorizontalJ4, J5
2ZXBM5210-SPackage_SO:SOIC-8_3.9x4.9mm_P1.27mmU1, U2
1100uCapacitor_THT:CP_Radial_D8.0mm_P3.50mmC1
11uFCapacitor_THT:CP_Radial_D5.0mm_P2.00mmC10
18.2kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR5
1AnalogSocket_Arduino_Uno:Socket_Strip_Arduino_1x06P2
1Barrel_Jack_SwitchConnector_BarrelJack:BarrelJack_HorizontalJ1
1DigitalSocket_Arduino_Uno:Socket_Strip_Arduino_1x10P3
1DigitalSocket_Arduino_Uno:Socket_Strip_Arduino_1x08P4
1LM338TLM338T:TO254P1054X470X1955-3U3
1PowerSocket_Arduino_Uno:Socket_Strip_Arduino_1x08P1
1SG90Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalJ6
1UC_LED_RGBLED_THT:LED_D5.0mm-4_RGB_Wide_PinsD5

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Questions

How big is the ENEL200ShieldGroup01 PCB?

It measures 68.6 × 53.3 mm and has 2 copper layers, 1.6 mm thick.

What parts does the ENEL200ShieldGroup01 use?

41 parts, built around the ZXBM5210-S, LM338T, SR240 and SG90. 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 ENEL200ShieldGroup01 KiCad files?

From the TheBroKendrick/Arduino-Turtle-Robot- repository on GitHub, at the commit this page was made from: the board is Schematics/ENEL200ShieldGroup01.kicad_pcb and its schematic Schematics/ENEL200ShieldGroup01.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the ENEL200ShieldGroup01 design in my own project?

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