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2 layers80 × 100 mmMain v02, the printed circuit board in 3D

open source files of the teams www.bohlebots.de

Size
80 × 100 mm
Copper layers
2
Thickness
1.6 mm
Parts
79
Nets
95
Pads
340
Tracks, vias
844, 99
Pours
1
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
24 Sep 2022
Updated
28 Jun 2026

Overview

Main v02 is an open-source printed circuit board by bohlebots, from the bohlebots/soccer repository on GitHub. It is a 2-layer board of 80 × 100 mm with 79 parts on 95 nets, routed with 844 tracks and 99 vias.

It is built around the ESP32-WROOM-32, CP2102N-A02-GQFN24R and LM1117IMPX-3.3/NOPB-HXY, with the GT-USB-7043, LMBT3904DW1T1G and IFX9201SGAUMA1 among its other parts. Its parts include 26 resistors, 14 ICs, 12 connectors, 5 capacitors and 4 diodes. It belongs with the ESP32 boards of this library.

Main components

7

README

README.md

Bohlebots

collection of all published and open source software and hardware from the Bohlebots.

We are a team of students at the Gymnasium Haan in Germany. We call ourselves Bohlebots due to the support of the Bohle company at our home town Haan.

We decided to put all our robotic stuff opensource. This includes arduino files and libraries, eagle pcb files () and eagle libraries (lbr) for all our baords. This page is under construction and it suffers from the inactivity of the author. BUT:

We have a teams-account for all the informarmation of the international bohlebots teams: https://github.com/rstiebel

We are also taking part at the development of the https://github.com/CoRoSoN-Kit/CoRoSoN-Kit. The aktual bohlbots CoRoSoN Kit is lokated under https://github.com/ItzJannis/CoRoSoN-Package_Draft

Here is a photo of the prototypes of a mainboard and an IR-seeker-ring: grafik

Parts

79
QtyValueFootprintReferences
12SMD-10Kfootprint:R0603R1, R2, R3, R4, R5, R6, R7, R9, R10, R11, R14, R15
9SMD-470Rfootprint:R0603R16, R17, R20, R21, R22, R23, R24, R25, R26
8MountingHoleMountingHole:MountingHole_4.3mm_M4H1, H2, H3, H4, H5, H6, H7, H8
6SMD-PUSH-BTNfootprint:SW-TH_5P-L6.0-W6.0-P4.50-LS6.5U5, U6, U7, U9, U14, U15
4IFX9201SGAUMA1footprint:SO-12_L6.4-W7.5-P1.00-LS10.3-BL-EPIFX1, IFX2, IFX3, IFX4
4Pinhead_01x02_horizontalfootprint:HDR-TH_2P-P2.54-H-M-W10.4J1, J2, J3, J4
3SMD-100nFfootprint:C0603C4, C6, C7
3SMD-RGB-LEDfootprint:LED-SMD_6P-L5.0-W5.0-TL_TC5050RGBF08LED1, LED2, LED3
3XT30UPB-Ffootprint:CONN-TH_XT30UPB-FCN1, CN2, CN3
2Conn_01x02_PinConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ8, J9
2Conn_02x02_Row_Letter_Firstfootprint:HDR-TH_4P-P2.54-H-M-R2-C2-S2.54-W12.3-NJ6, J7
2LM1117IMPX-3_3_NOPBfootprint:SOT-223_L6.5-W3.5-P2.30-LS7.0-BRU3, U11
2SMD-100Rfootprint:R0603R18, R19
2SMD-1uFfootprint:C0603C3, C5
2SMD-5K1footprint:R0603R12, R13
15VBohleBots:D36V28FXD36V28FX1
1CP2102N-A02-GQFN24Rfootprint:QFN-24_L4.0-W4.0-P0.50-TL-EP2.6U10
1Conn_02x04_Row_Letter_Firstfootprint:HDR-TH_8P-P2.54-H-M-R2-C4-S2.54J5
1ESP32-WROOM-32footprint:WIFIM-SMD_ESP32-WROOM-32-N4U1
1GT-USB-7043footprint:USB-C-SMD_GT-USB-7043U8
1LMBT3904DW1T1Gfootprint:SOT-363_L2.0-W1.3-P0.65-LS2.1-BRU12
1LOGOfootprint:githubG***
1LOGOfootprint:logoG***
1LOGOfootprint:logo_kleinG***
1MICROMATCH-4BohleBots:MICROMATCH-4X3
1SMD-1Kfootprint:R0603R8
1Switchfootprint:SW-TH_MT-0-103-A101-M200-RSU2
1XT30_horizontalfootprint:CONN-TH_XT30PW-MU4
1~BohleBots:MICROMATCH-4X1
1~BohleBots:MICROMATCH-10X2

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Questions

How big is the Main v02 PCB?

It measures 80 × 100 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Main v02 use?

79 parts, built around the ESP32-WROOM-32, CP2102N-A02-GQFN24R, LM1117IMPX-3.3/NOPB-HXY and GT-USB-7043. 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 Main v02 KiCad files?

From the bohlebots/soccer repository on GitHub, at the commit this page was made from: the board is KiCad/Main_v02.kicad_pcb and its schematic KiCad/IR_ring_v05.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Main v02 design in my own project?

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