2 layers170 × 55 mm Protector de Tesoro, the printed circuit board in 3D

Protector de Tesoro

Este repositorio contiene el diseño de hardware y la placa de circuito impreso (PCB) desarrollado en KiCad para el módulo central del Protector de Tesoro.

Open in PCBKit

Size: 170 × 55 mm
Copper layers: 2
Thickness: 1.6 mm
Parts: 88
Nets: 98
Pads: 360
Tracks, vias: 939, 71
Routed: Yes
KiCad: KiCad 9.0 (file 20241229)
Created: 24 Jun 2026
Updated: 24 Jun 2026

Overview

Protector de Tesoro is an open-source printed circuit board by edgranzella, from the edgranzella/Protector-de-Tesoro repository on GitHub. It is a 2-layer board of 170 × 55 mm with 88 parts on 98 nets, routed with 939 tracks and 71 vias.

It is built around the PIC16F887-I/PT, SN75176AP and 74AHC374D, with the 74HC14, 93C46C-E/P and LM339 among its other parts. Its parts include 33 resistors, 14 connectors, 13 capacitors, 11 diodes and 9 ICs. It belongs with the PIC boards of this library.

Main components

README

README.md

Protector de Tesoro - Hardware y PCB 🚀

Este repositorio contiene el diseño de hardware y la placa de circuito impreso (PCB) desarrollado en KiCad para el módulo central del Protector de Tesoro. El sistema está diseñado para la protección, supervisión y gestión de seguridad en cajas fuertes o compartimentos de resguardo de valores.

📌 Características del Diseño

Etapa de Potencia y Conmutación: Control robusto de actuadores y cerraduras electrónicas de alta seguridad.
Entradas de Supervisión: Canales optoacoplados para sensores de apertura, vibración y sabotaje (antisabotaje/tamper).
Filtros de Ruido: Protecciones integradas contra transitorios eléctricos (TVS/Diodos de libre circulación) para ambientes industriales y comerciales.
Formato Compacto: Dimensiones optimizadas para instalación en gabinetes blindados o espacios reducidos.

🛠️ Especificaciones de Fabricación (KiCad DRC)

Capas (Layers): 2 capas.
Grosor de la placa: 1.6 mm.
Acabado superficial: HASL (con plomo) o ENIG (Inmersión en Oro).

👥 Desarrollado por

Eduardo Damian Granzella - Ingeniería de Hardware - edgranzella

Parts

Qty	Value	Footprint	References
18	10K	Resistor_SMD:R_0805_2012Metric	R3, R4, R5, R19, R20, R21, R22, R25, R26, R27, R28, R29, R30, R31, R32, R33 +2
11	100nF	Capacitor_SMD:C_0805_2012Metric	C1, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13
11	1K	Resistor_SMD:R_0805_2012Metric	R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18
7	1N4148	Damian_Lib:D_DO-35_SOD27_P5.08mm_Horizontal	D1, D2, D3, D4, D9, D10, D11
4	Conn_01x01_Pin	Damian_Lib:MountingHole_3.2mm_M3_Pad_Via_PTuP_2026	J10, J11, J12, J13
3	Jumper_2_Bridged	Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical	JP1, JP2, JP3
2	100	Resistor_SMD:R_0805_2012Metric	R1, R2
2	10uF	Capacitor_THT:CP_Radial_D5.0mm_P2.00mm	C2, C3
2	3K3	Resistor_SMD:R_0805_2012Metric	R23, R24
2	74AHC374	Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm	U3, U4
2	BC548	Package_TO_SOT_THT:TO-92_Inline	Q1, Q2
2	DIP12-1C90-51L	Relay_THT:Relay_StandexMeder_DIP_LowProfile	K1, K2
2	TBP01R1-508-05BE	TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-5-5.0-H_1x05_P5.00mm_Horizontal	J1, J8
1	74HC14	Package_SO:SOIC-14_3.9x8.7mm_P1.27mm	U6
1	93C46C	Package_SO:SOIC-8_3.9x4.9mm_P1.27mm	U7
1	APEQ	Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical	J6
1	Buzzer	Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical	J5
1	FABRICA	Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical	J7
1	Green	LED_THT:LED_D3.0mm	D6
1	ICSP Programmer	Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical	J14
1	LM339	Package_SO:SOIC-14_3.9x8.7mm_P1.27mm	U5
1	LM7805_TO220	Package_TO_SOT_THT:TO-220-3_Vertical	U1
1	LTS-6960HR	Display_7Segment:7SegmentLED_LTS6760_LTS6780	AFF1
1	MAX706	Package_SO:SOIC-8_3.9x4.9mm_P1.27mm	U8
1	PIC16F887-IP	Package_DIP:DIP-40_W15.24mm_Socket	U9
1	PROG	Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical	J9
1	RESET	Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical	J3
1	Red	LED_THT:LED_D3.0mm	D8
1	SM712_SOT23	Package_TO_SOT_SMD:SOT-23	D5
1	SN75176AP	Package_DIP:DIP-8_W7.62mm	U2
1	TBP01R1-508-02BE	TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-2-5.0-H_1x02_P5.00mm_Horizontal	J2
1	Teclado 3x4	Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical	J4
1	Yellow	LED_THT:LED_D3.0mm	D7

Questions

How big is the Protector de Tesoro PCB?

It measures 170 × 55 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Protector de Tesoro use?

88 parts, built around the PIC16F887-I/PT, SN75176AP, 74AHC374D and 74HC14. 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 Protector de Tesoro KiCad files?

From the edgranzella/Protector-de-Tesoro repository on GitHub, at the commit this page was made from: the board is Protector de Tesoro.kicad_pcb and its schematic Protector de Tesoro.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Protector de Tesoro design in my own project?

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

Category and platform

PIC

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/edgranzella-protector-de-tesoro" title="Protector de Tesoro in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/boards/edgranzella-protector-de-tesoro.jpg" alt="Protector de Tesoro" width="1200" height="900">

A picture that opens the board, for a README

[![Protector de Tesoro](https://pcbkit.io/embed/boards/edgranzella-protector-de-tesoro.jpg?size=s)](https://pcbkit.io/boards/edgranzella-protector-de-tesoro)

Source

Repository: edgranzella/Protector-de-Tesoro
Board file: Protector de Tesoro.kicad_pcb
Commit: 37ed28d
Licence: Not stated

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