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2 layers94 × 47 mmESPLock, the printed circuit board in 3D

A repository for my RFID lock project that uses the rc522 module and ESP-32 devkit V1

Size
94 × 47 mm
Copper layers
2
Thickness
1.6 mm
Parts
16
Nets
34
Pads
99
Tracks, vias
193, 0
Pours
2
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
14 May 2025
Updated
17 Jun 2025

Overview

ESPLock is an open-source printed circuit board by BrychtaJan, from the BrychtaJan/ESPLock repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 94 × 47 mm with 16 parts on 34 nets, routed with 193 tracks and 0 vias.

It is built around the L7805. Its parts include 7 connectors, 3 capacitors, 1 resistor, 1 IC and 1 diode.

Main components

1

README

README.md

Project Title

Logo 🔒 Hi, I'm Jan Brychta, and this is my project that combines ESP32 and it's WiFi ability and RFID reader RC522 to create a remote RFID lock 🔒

Authors

Parts

16
QtyValueFootprintReferences
3470uFCapacitor_THT:CP_Radial_D8.0mm_P3.50mmC1, C2, C3
2Conn_01x15_PinConnector_PinHeader_2.54mm:PinHeader_1x15_P2.54mm_VerticalJ5, J6
11MResistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_HorizontalR1
1BuzzerBuzzer_Beeper:Buzzer_12x9.5RM7.6BZ1
1DDiode_THT:D_A-405_P7.62mm_HorizontalD1
1L7805Package_TO_SOT_THT:TO-220F-3_Horizontal_TabDownU1
1NeopixelConnector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_VerticalJ4
1RC522Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_VerticalJ2
1buttonConnector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_VerticalJ3
1servoConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalJ1
1voltage inputConnector_BarrelJack:BarrelJack_GCT_DCJ200-10-A_HorizontalJ7
1~Omikron:ESP32-Devkit-V1-OmikronESP32-Devkit-V1-Omikron1
1~Omikron:microswitchSW1

Questions

How big is the ESPLock PCB?

It measures 94 × 47 mm and has 2 copper layers, 1.6 mm thick.

What parts does the ESPLock use?

16 parts, built around the L7805. 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 ESPLock KiCad files?

From the BrychtaJan/ESPLock repository on GitHub, at the commit this page was made from: the board is ESPLock Release V1/ESPLock PCB/ESPLock.kicad_pcb and its schematic ESPLock Release V1/ESPLock PCB/ESPLock.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the ESPLock design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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