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2 layers99.1 × 44.5 mmTransmitter, the printed circuit board in 3D

A combat robot RC system using the ESP32.

Size
99.1 × 44.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
39
Nets
42
Pads
120
Tracks, vias
185, 16
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
12 Nov 2019
Updated
6 Jul 2026

Overview

Transmitter is an open-source printed circuit board by VectorSpaceHQ, from the VectorSpaceHQ/VS_combat_robot repository on GitHub. It is a 2-layer board of 99.1 × 44.5 mm with 39 parts on 42 nets, routed with 185 tracks and 16 vias.

It is built around the PBH2UEESNPNAGX and THB001P. It belongs with the robots and motor control boards and the ESP32 and RISC-V boards of this library.

Main components

2

README

README.md

This is an open source, low cost, DIY combat robot kit. It is designed for use with antweight (1lb) and beetleweight (3lb) combat robots.

Receiver

This repository includes PCB designs for the transmitter and receiver, the associated software, as well as a simple 3d printable chassis and controller design.

Troubleshooting

Invalid head of packet

If the following error occurs when trying to upload to the ESP32, the fix is to hold pin D9 to ground while powering on the board.

A fatal error occurred: Invalid head of packet (0x01): Possible serial noise or corruption. Failed uploading: uploading error: exit status 2

Parts

39
QtyValueFootprintReferences
12, , , , , , , , , , ,
10R_USResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder10kohm1, 62ohm1, 62ohm2, 220kohm1, 220kohm2, 620ohm3, 2200ohm1, 2200ohm2, 3300ohm1, 3300ohm2
3LEDLED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolderComms1, Fault1, Power1
254SnapEDA Library:BAT_54BT1, BT2
2PBH2UEESNPNAGXfootprints:SW_PBH2UEESNPNAGXSL1, SR1
2THB001Pfootprints:CNK_THB001PJSL1, JSR1
1Conn_01x04_FemaleConnector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_VerticalOLED1
1MOUDLE-SEEEDUINO-XIAO-ESP32C3xiao ESP32C3_PCB:MOUDLE14P-SMD-2.54-21X17.8MMU2
1sw1SnapEDA Library:SW_JS202011JCQNBattery1
1sw2SnapEDA Library:SW_JS202011JCQNWeapon1

The 35 most common of 39 parts.

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Questions

How big is the Transmitter PCB?

It measures 99.1 × 44.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Transmitter use?

39 parts, built around the PBH2UEESNPNAGX and THB001P. 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 Transmitter KiCad files?

From the VectorSpaceHQ/VS_combat_robot repository on GitHub, at the commit this page was made from: the board is transmitter/pcb/transmitter.kicad_pcb and its schematic receiver/pcb/receiver.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Transmitter design in my own project?

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