2 layers77 × 65.2 mm
2 layers77 × 65.2 mm
Photogate
MarcioBulla/Cronometro-OpticoElaboração completa de um cronometro
- Size
- 77 × 65.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 23
- Nets
- 37
- Pads
- 80
- Tracks, vias
- 84, 0
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 23 Oct 2022
- Updated
- 14 Aug 2025
Overview
Photogate is an open-source printed circuit board by MarcioBulla, from the MarcioBulla/Cronometro-Optico repository on GitHub, published under the MIT licence. It is a 2-layer board of 77 × 65.2 mm with 23 parts on 37 nets, routed with 84 tracks and 0 vias.
It is built around the 3362P-1-103, DC-005 and SJ1-3515N. Its parts include 5 resistors, 1 capacitor and 1 connector. It belongs with the ESP32 boards of this library.
Main components
3README
README.mdPhotogate_V2
I recomend use the second version (improve precise, security, 3D model, interface and schematic): https://github.com/Lorxi3D/PhotogateV2
Objetivo
- Programar o Esp32 com interface para cada experimento, assim facilitando o aluno realizar os experimentos;
- Criar um diagrama e um modelo 3D do Circuito;
- Modelar 3D todo o projeto, para uma impressão 3D;
- Publica trabalho (doi.org/10.1088/1361-6552/ad6d23).
Bibliotecas usadas
encoder_menu.py: https://github.com/MarcioBulla/encodermenurotary.pyerotary_irq_esp.py: https://github.com/miketeachman/micropython-rotary
Montagem
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Parts
23| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 100 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R2, R3, R5 |
| 4 | MountingHole_2.2mm_M2 | MountingHole:MountingHole_2.2mm_M2 | Furo Central, Furo Inferior1, Furo Inferior2, Furo Superior |
| 3 | Conn_01x02_Female | Connector_Molex:Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | G Led, R Led, Switch |
| 1 | 104k | Capacitor_THT:C_Disc_D10.5mm_W5.0mm_P10.00mm | C1 |
| 1 | 10k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R4 |
| 1 | 3362P-1-103 | MyFootprints:TRIM_3362P-1-103 | VR1 |
| 1 | Conn_01x04_Female | Connector_Molex:Molex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical | Display |
| 1 | Conn_01x05_Female | Connector_Molex:Molex_KK-254_AE-6410-05A_1x05_P2.54mm_Vertical | Encoder |
| 1 | DC-005 | MyFootprints:NINIGI_DC-005 | Jack DC005 |
| 1 | ESP32_DevKit_V1_DOIT | ESP32_DevKit_V1_DOIT:esp32_devkit_v1_doit | Esp32 DevKit V1 |
| 1 | LM393N1 | MyFootprints:LM393N | LM393N |
| 1 | LOGO | simbolos:P2_3poles | P2 3poles |
| 1 | SJ1-3515N | MyFootprints:CUI_SJ1-3515N | jack P2 Stereo |
| 1 | Symbol | simbolos:Polarity_Center_Positive_9mm_SilkScreen | polarity |
| 1 | UFPR | Logo:UFPR | UFPR |
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Questions
How big is the Photogate PCB?
It measures 77 × 65.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Photogate use?
23 parts, built around the 3362P-1-103, DC-005 and SJ1-3515N. 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 Photogate KiCad files?
From the MarcioBulla/Cronometro-Optico repository on GitHub, at the commit this page was made from: the board is photogate_encomendada/photogate.kicad_pcb and its schematic photogate_encomendada/photogate.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Photogate design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).